IntegerString

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IntegerString[n]

returns the decimal representation of integer x as string. x's sign is ignored.

IntegerString[n, b]

returns the base b representation of integer x as string. x's sign is ignored.

IntegerString[n, b, length]

returns a string of length length. If the number is too short, the string gets padded
with 0 on the left. If the number is too long, the length least significant digits are
returned.

For bases > 10, alphabetic characters a, b, ... are used to represent digits 11, 12, ... . Note
that base must be an integer in the range from 2 to 36.

IntegerReverse