Alright, let's work through 2499829 times 68542459 step by step
2499829 × 68542459 = 68542459 × (2499829)
+ 68542459 × 9 giving us 616882131
+ 68542459 × 20 that equals 1370849180
+ 68542459 × 800 resulting in 54833967200
+ 68542459 × 9000 what gives us 616882131000
+ 68542459 × 90000 yielding 6168821310000
+ 68542459 × 400000 that is equal 27416983600000
+ 68542459 × 2000000 giving us 137084918000000

= 171344426739511
