Alright, let's work through 17103687 times 1273102 step by step
17103687 × 1273102 = 1273102 × (17103687)
+ 1273102 × 7 which equals 8911714
+ 1273102 × 80 that equals 101848160
+ 1273102 × 600 producing 763861200
+ 1273102 × 3000 that equals 3819306000
+ 1273102 × 00000 that equals 0
+ 1273102 × 100000 giving us 127310200000
+ 1273102 × 7000000 producing 8911714000000
+ 1273102 × 10000000 that equals 12731020000000

= 21774738127074
