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9995968931 = 13967795161
BaseRepresentation
bin10010100111100111…
…00110000110100011
3221210122011211112112
421103303212012203
5130432432001211
64331520145535
7502465222364
oct112363460643
927718154475
109995968931
11426a511453
121b2b7682ab
13c33c08720
146ab7d3b6b
153d786388b
hex253ce61a3

9995968931 has 8 divisors (see below), whose sum is σ = 10776035424. Its totient is φ = 9217494720.

The previous prime is 9995968921. The next prime is 9995968937. The reversal of 9995968931 is 1398695999.

9995968931 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 9995968931 - 210 = 9995967907 is a prime.

It is a super-2 number, since 2×99959689312 (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (9995968937) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 385010 + ... + 410151.

It is an arithmetic number, because the mean of its divisors is an integer number (1347004428).

Almost surely, 29995968931 is an apocalyptic number.

9995968931 is a deficient number, since it is larger than the sum of its proper divisors (780066493).

9995968931 is a wasteful number, since it uses less digits than its factorization.

9995968931 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 796141.

The product of its digits is 42515280, while the sum is 68.

The square root of 9995968931 is about 99979.8426234008. The cubic root of 9995968931 is about 2154.1451619618.

The spelling of 9995968931 in words is "nine billion, nine hundred ninety-five million, nine hundred sixty-eight thousand, nine hundred thirty-one".

Divisors: 1 13 967 12571 795161 10337093 768920687 9995968931