728 = 700 + 20 + 8 = 7*100 + 2*10 + 8
5203 = 5000 + 200 + 3 = 5*1000 + 2*100 + 3
10048 = 10000 + 40 + 8 = 1*10000 + 4*10 + 8
100260000 = 100000000 + 200000 + 60000 = 1*100000000 + 2*100000 + 6*10000
9505005 = 9000000 + 500000 + 5000 + 5 = 9*1000000 + 5*100000 + 5*1000 + 5
17090121 = 10000000 + 7000000 + 90000 + 100 + 20 + 1 = 1*10000000 + 7*1000000 + 9*10000 + 1*100 + 2*10 + 1