4
i think it might be 98765432
The largest ten digit number with no repeated digits is '9876543210'.
987654321 is the highest nine-digit number with no repeated digits.
The largest number with no repeated digits is 9,876,543,210 although it is 10 digits long, the largest 3 digit number with no repeated digits is 987
98,765
4
i think it might be 98765432
987654
The largest ten digit number with no repeated digits is '9876543210'.
987654321 is the highest nine-digit number with no repeated digits.
The largest number with no repeated digits is 9,876,543,210 although it is 10 digits long, the largest 3 digit number with no repeated digits is 987
The largest ten digit number with no repeated digits is '9876543210'.
If repeated digits are allowed, then the largest 12-digit number is 999,999,999,999 .If repeated digits are not allowed, then the largest 12-digit number is 989,898,989,898 .If the same digit can't be used more than once, then the largest possible number has only10 digits. The number is 9,876,543,210 .
The largest 3 digit number whose digits are all primes is 777. The largest 3 digit number with different prime digits is 753.
9876543210
The largest 10-digit number with no digit repeated is 9876543210 !