Alright, let's work through 16269449 times 47391767 step by step
16269449 × 47391767 = 47391767 × (16269449)
+ 47391767 × 9 giving us 426525903
+ 47391767 × 40 that results in 1895670680
+ 47391767 × 400 that results in 18956706800
+ 47391767 × 9000 that equals 426525903000
+ 47391767 × 60000 which equals 2843506020000
+ 47391767 × 200000 which equals 9478353400000
+ 47391767 × 6000000 giving us 284350602000000
+ 47391767 × 10000000 giving us 473917670000000

= 771037936226383
