Alright, let's work through 51083546 times 82194137 step by step
51083546 × 82194137 = 82194137 × (51083546)
+ 82194137 × 6 yielding 493164822
+ 82194137 × 40 resulting in 3287765480
+ 82194137 × 500 yielding 41097068500
+ 82194137 × 3000 producing 246582411000
+ 82194137 × 80000 producing 6575530960000
+ 82194137 × 000000 which equals 0
+ 82194137 × 1000000 yielding 82194137000000
+ 82194137 × 50000000 what gives us 4109706850000000

= 4198767978369802
