Alright, let's work through 52013490 times 81964785 step by step
52013490 × 81964785 = 81964785 × (52013490)
+ 81964785 × 0 resulting in 0
+ 81964785 × 90 yielding 7376830650
+ 81964785 × 400 what gives us 32785914000
+ 81964785 × 3000 that results in 245894355000
+ 81964785 × 10000 which equals 819647850000
+ 81964785 × 000000 that results in 0
+ 81964785 × 2000000 yielding 163929570000000
+ 81964785 × 50000000 that results in 4098239250000000

= 4263274524949650
