Alright, let's work through 10389970 times 50026974 step by step
10389970 × 50026974 = 50026974 × (10389970)
+ 50026974 × 0 resulting in 0
+ 50026974 × 70 producing 3501888180
+ 50026974 × 900 giving us 45024276600
+ 50026974 × 9000 resulting in 450242766000
+ 50026974 × 80000 yielding 4002157920000
+ 50026974 × 300000 which equals 15008092200000
+ 50026974 × 0000000 that is equal 0
+ 50026974 × 10000000 yielding 500269740000000

= 519778759050780
