1779+1797+1977+7179+7197+7719+7791+7917+7971+9177+9717+9771=79992
A five-digit number is formed using digits 1,3,5,8 and 9 without repeating any one of them. What is the sum of all such possible numbers?
Let S be the set of all 5 digit numbers formed by the digits 1, 2, 3, 4, 5 without repetition. What is the sum of all numbers in S?