There are 25 such numbers: 4, 8, 12, 16, 20, 24, 28, 32, 36, 40, 44, 48, 52, 56, 60, 64, 68, 72, 76, 80, 84, 88, 92, 96, 100.
They are: 72 78 84 90 and 96 which makes five of them
9 18 27 36 45 54 63 72 81 90 ther are many more
There are 11 of them: 9, 18, 27, 36, 45, 54, 63, 72, 81, 90, 99.
29, 58, 87, 116, 145, 174, 203, 232, 261 and 290
a lot
tooo many to count
45
ther is 5
22
100
45 billion