Without repetition or leading 0s, it is 1023
9876543210
9876543210
9876543210
98,764
9876543210
1234567890+9876543210=11,111,111,100
9876543210 - 9876543110 = 100
9,876,543,210 9876543210
No, not especially. 9876543210 - 123456789 = 9753086421
The largest ten digit number with no repeated digits is '9876543210'.
The largest ten digit number with no repeated digits is '9876543210'.
The largest ten digit number with no repeated digits is '9876543210'.