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2. Base-N Integer (45 points) In base-N numbering, totally N different digits are used to represent integers and the actual value of a digit is determined by the position of that digit in integers. For example, in the widely used base-10 numbering, ten digits 0, 1, 2, 3, 4, 5, 6, T, 8, and 9 are used, and digit 5 would have values 5*10\