Alright, let's work through 5251008 times 51102862 step by step
5251008 × 51102862 = 51102862 × (5251008)
+ 51102862 × 8 that results in 408822896
+ 51102862 × 00 what gives us 0
+ 51102862 × 000 which equals 0
+ 51102862 × 1000 resulting in 51102862000
+ 51102862 × 50000 producing 2555143100000
+ 51102862 × 200000 what gives us 10220572400000
+ 51102862 × 5000000 giving us 255514310000000

= 268341537184896
