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128316204168207 = 31119320146993903
BaseRepresentation
bin11101001011001111110001…
…110001001011010000001111
3121211022220112220002111110220
4131023033301301023100033
5113304313041231340312
61132523352253402423
736012353105244006
oct3513176161132017
9554286486074426
10128316204168207
11379816620690a0
1212484659199413
13567a220cbc233
14239877496bc3d
15ec7beb64ec8c
hex74b3f1c4b40f

128316204168207 has 16 divisors (see below), whose sum is σ = 187608807234048. Its totient is φ = 77364456583680.

The previous prime is 128316204168203. The next prime is 128316204168221. The reversal of 128316204168207 is 702861402613821.

It is not a de Polignac number, because 128316204168207 - 22 = 128316204168203 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 128316204168207.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (128316204168203) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10073490583 + ... + 10073503320.

It is an arithmetic number, because the mean of its divisors is an integer number (11725550452128).

Almost surely, 2128316204168207 is an apocalyptic number.

128316204168207 is a deficient number, since it is larger than the sum of its proper divisors (59292603065841).

128316204168207 is a wasteful number, since it uses less digits than its factorization.

128316204168207 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20146994110.

The product of its (nonzero) digits is 1548288, while the sum is 51.

The spelling of 128316204168207 in words is "one hundred twenty-eight trillion, three hundred sixteen billion, two hundred four million, one hundred sixty-eight thousand, two hundred seven".

Divisors: 1 3 11 33 193 579 2123 6369 20146993903 60440981709 221616932933 664850798799 3888369823279 11665109469837 42772068056069 128316204168207