Alright, let's work through 52678920 times 18512745 step by step
52678920 × 18512745 = 18512745 × (52678920)
+ 18512745 × 0 yielding 0
+ 18512745 × 20 producing 370254900
+ 18512745 × 900 giving us 16661470500
+ 18512745 × 8000 which equals 148101960000
+ 18512745 × 70000 what gives us 1295892150000
+ 18512745 × 600000 that equals 11107647000000
+ 18512745 × 2000000 giving us 37025490000000
+ 18512745 × 50000000 producing 925637250000000

= 975231412835400
