Alright, let's work through 42759081 times 52012537 step by step
42759081 × 52012537 = 52012537 × (42759081)
+ 52012537 × 1 that results in 52012537
+ 52012537 × 80 that is equal 4161002960
+ 52012537 × 000 giving us 0
+ 52012537 × 9000 that is equal 468112833000
+ 52012537 × 50000 what gives us 2600626850000
+ 52012537 × 700000 what gives us 36408775900000
+ 52012537 × 2000000 that equals 104025074000000
+ 52012537 × 40000000 giving us 2080501480000000

= 2224008282598497
