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9131295996 = 2233161952223
BaseRepresentation
bin10001000000100010…
…01000010011111100
3212120101010220021000
420200101020103330
5122200102432441
64110031210300
7442165510134
oct104021102374
925511126230
109131295996
113966418919
12192a076990
13b26a30934
14628a31ac4
153869b42b6
hex2204484fc

9131295996 has 48 divisors (see below), whose sum is σ = 23688806400. Its totient is φ = 3041827056.

The previous prime is 9131295991. The next prime is 9131296001. The reversal of 9131295996 is 6995921319.

It is an interprime number because it is at equal distance from previous prime (9131295991) and next prime (9131296001).

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9131295991) 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, 148741 + ... + 200963.

It is an arithmetic number, because the mean of its divisors is an integer number (493516800).

Almost surely, 29131295996 is an apocalyptic number.

It is an amenable number.

9131295996 is an abundant number, since it is smaller than the sum of its proper divisors (14557510404).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

9131295996 is a wasteful number, since it uses less digits than its factorization.

9131295996 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 53855 (or 53847 counting only the distinct ones).

The product of its digits is 1180980, while the sum is 54.

The square root of 9131295996 is about 95557.8149394386. The cubic root of 9131295996 is about 2090.1500923169.

The spelling of 9131295996 in words is "nine billion, one hundred thirty-one million, two hundred ninety-five thousand, nine hundred ninety-six".

Divisors: 1 2 3 4 6 9 12 18 27 36 54 108 1619 3238 4857 6476 9714 14571 19428 29142 43713 52223 58284 87426 104446 156669 174852 208892 313338 470007 626676 940014 1410021 1880028 2820042 5640084 84549037 169098074 253647111 338196148 507294222 760941333 1014588444 1521882666 2282823999 3043765332 4565647998 9131295996