0
Wiki User
If you'll accept a decimal, then it's .0123456789
If you want whole numbers only, and you'll accept a leading zero, then it's 0,123,456,789.
If not, then it's 1,023,456,789.
1,234,567
5
none
0132 or 1234 0123 or without 0 at front = 1023
The smallest number with no digits repeated would either be zero or one, depending on the set of numbers you want to choose from.
0123456789
102
10234567
1023456789
123456.