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128316204168175 = 5225120448797477
BaseRepresentation
bin11101001011001111110001…
…110001001011001111101111
3121211022220112220002111102201
4131023033301301023033233
5113304313041231340200
61132523352253402331
736012353105243632
oct3513176161131757
9554286486074381
10128316204168175
1137981662069071
12124846591993a7
13567a220cbc20a
14239877496bc19
15ec7beb64ec6a
hex74b3f1c4b3ef

128316204168175 has 12 divisors (see below), whose sum is σ = 159746005898136. Its totient is φ = 102243987380000.

The previous prime is 128316204168169. The next prime is 128316204168203. The reversal of 128316204168175 is 571861402613821.

It is a de Polignac number, because none of the positive numbers 2k-128316204168175 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 10224392464 + ... + 10224405013.

It is an arithmetic number, because the mean of its divisors is an integer number (13312167158178).

Almost surely, 2128316204168175 is an apocalyptic number.

128316204168175 is a deficient number, since it is larger than the sum of its proper divisors (31429801729961).

128316204168175 is a wasteful number, since it uses less digits than its factorization.

128316204168175 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20448797738 (or 20448797733 counting only the distinct ones).

The product of its (nonzero) digits is 3870720, while the sum is 55.

The spelling of 128316204168175 in words is "one hundred twenty-eight trillion, three hundred sixteen billion, two hundred four million, one hundred sixty-eight thousand, one hundred seventy-five".

Divisors: 1 5 25 251 1255 6275 20448797477 102243987385 511219936925 5132648166727 25663240833635 128316204168175