Alright, let's work through 13726793 times 52926059 step by step
13726793 × 52926059 = 52926059 × (13726793)
+ 52926059 × 3 that equals 158778177
+ 52926059 × 90 yielding 4763345310
+ 52926059 × 700 that equals 37048241300
+ 52926059 × 6000 yielding 317556354000
+ 52926059 × 20000 that equals 1058521180000
+ 52926059 × 700000 giving us 37048241300000
+ 52926059 × 3000000 what gives us 158778177000000
+ 52926059 × 10000000 that equals 529260590000000

= 726505056198787
