Let's calculate 42789739 x 65007488
42789739 × 65007488 = 65007488 × (42789739)
+ 65007488 × 9 resulting in 585067392
+ 65007488 × 30 resulting in 1950224640
+ 65007488 × 700 resulting in 45505241600
+ 65007488 × 9000 that results in 585067392000
+ 65007488 × 80000 yielding 5200599040000
+ 65007488 × 700000 yielding 45505241600000
+ 65007488 × 2000000 what gives us 130014976000000
+ 65007488 × 40000000 that equals 2600299520000000

= 2781653444565632
