Alright, let's work through 5087731 times 52006953 step by step
5087731 × 52006953 = 52006953 × (5087731)
+ 52006953 × 1 that is equal 52006953
+ 52006953 × 30 giving us 1560208590
+ 52006953 × 700 that is equal 36404867100
+ 52006953 × 7000 yielding 364048671000
+ 52006953 × 80000 which equals 4160556240000
+ 52006953 × 000000 that equals 0
+ 52006953 × 5000000 resulting in 260034765000000

= 264597386993643
