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'.
Well, honey, the largest 12-digit number with repeated digits allowed is 9,999,999,999,999. I mean, unless you want to get fancy and start throwing in letters or emojis, but I doubt that's what you're looking for. So there you have it, the biggest 12-digit number you can get with the same digit repeated over and over again.
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 !