64737138 divided by 519 
The aim is to understand the frequency of 519 in 64737138.

Step 1:
519 can be fit into 6 0 times, resulting in a remainder of 6.
Record the quotient 0 as the next digit in the result. 
Result so far: 0.0
Subtract 0 from 6 to get 6.
Fetch the next digit (4) from the dividend, attach it to 6 and continue: 64 / 519

Let's proceed to step 2:
The number 519 fits into 64 0 times, leaving a remainder of 64.
The next digit of our result is 0. 
Result so far: 0.0
Subtracting 0 from 64 leaves us with 64.
Take the next digit (7) from the dividend and append it to 64, then repeat: 647 / 519

Moving on to step 3:
519 goes into 647 1 times with a remainder of 128.
Record the quotient 1 as the next digit in the result. 
Result so far: 1.0
Subtracting 519 from 647 leaves us with 128.
Fetch the next digit (3) from the dividend, attach it to 128 and continue: 1283 / 519

Let's proceed to step 4:
When dividing 1283 by 519, we get 2 with a remainder of 245.
Write down 2 as next digit of the result. 
Result so far: 12.0
The remainder is 245 after subtracting 1038 from 1283.
Bring next digit (7) of the dividend behind the 245 and repeat the process: 2457 / 519

On to step 5:
If we divide 2457 by 519, we get 4 and a remainder of 381.
Record the quotient 4 as the next digit in the result. 
Result so far: 124.0
Subtracting 2076 from 2457 leaves us with 381.
Grab the next digit (1) from the dividend, add it to 381, then carry on: 3811 / 519

Step 6:
The number 519 fits into 3811 7 times, leaving a remainder of 178.
The number 7 becomes the next digit in our result. 
Result so far: 1247.0
If we take 3633 away from 3811, we end up with 178.
Fetch the next digit (3) from the dividend, attach it to 178 and continue: 1783 / 519

Step 7:
When dividing 1783 by 519, we get 3 with a remainder of 226.
Use 3 as the next digit of our solution. 
Result so far: 12473.0
If we take 1557 away from 1783, we end up with 226.
Bring next digit (8) of the dividend behind the 226 and repeat the process: 2268 / 519

Let's proceed to step 8:
When dividing 2268 by 519, we get 4 with a remainder of 192.
Use 4 as the next digit of our solution. 
Result so far: 124734.0
If we subtract 2076 from 2268, we get 192.
Since there are no more digits in the dividend, we add a zero to the remainder making it 1920, and continue the process.

Let's proceed to step 9:
If we divide 1920 by 519, we get 3 and a remainder of 363.
Use 3 as the next digit of our solution. 
Result so far: 124734.3
Subtracting 1557 from 1920 leaves us with 363.
Since there are no more digits in the dividend, we add a zero to the remainder making it 3630, and continue the process.

Advancing to step 10:
3630 divided by 519 is 6 with a remainder of 516.
The next digit of our result is 6. 
Result so far: 124734.36
If we take 3114 away from 3630, we end up with 516.
Since there are no more digits in the dividend, we add a zero to the remainder making it 5160, and continue the process.

Moving on to step 11:
519 can be fit into 5160 9 times, resulting in a remainder of 489.
The number 9 becomes the next digit in our result. 
Result so far: 124734.369
The remainder is 489 after subtracting 4671 from 5160.
Since there are no more digits in the dividend, we add a zero to the remainder making it 4890, and continue the process.

Let's proceed to step 12:
When dividing 4890 by 519, we get 9 with a remainder of 219.
Record the quotient 9 as the next digit in the result. 
Result so far: 124734.3699
Deduct 4671 from 4890 and we're left with 219.
Since there are no more digits in the dividend, we add a zero to the remainder making it 2190, and continue the process.

The final result is 124734.3699 with a remainder of 0.00219.