It can't be a 4 digit number or larger because 1000/13 = 76.9
and the largest possible sum of 4 digits is of 9999 which is only 36.
It can't be a 2-digit number because 10x13=130 a 3 digit number.
So it must be 3-digit number:
h must be 1 because if it were 2 or greater,
u would have to be greater than 9.
So u is 5,6, or 7. It can't be 8 for that would make t negative
If u=5, t=9, and the number ia 195
If u=6, t=5, and the number is 156
If u=7, t=1, and the number is 117
Answer: The smallest is 117.
Edwin
