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9131472131 = 43534006789
BaseRepresentation
bin10001000000100011…
…10011010100000011
3212120101110211212112
420200101303110003
5122200124102011
64110035045535
7442200142505
oct104021632403
925511424775
109131472131
113966529191
12192a1408ab
13b26a92b62
14628a79d75
153869eb58b
hex220473503

9131472131 has 8 divisors (see below), whose sum is σ = 9520133040. Its totient is φ = 8750824992.

The previous prime is 9131472113. The next prime is 9131472139. The reversal of 9131472131 is 1312741319.

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 9131472131 - 214 = 9131455747 is a prime.

It is a super-2 number, since 2×91314721312 (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 (9131472139) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2001116 + ... + 2005673.

It is an arithmetic number, because the mean of its divisors is an integer number (1190016630).

Almost surely, 29131472131 is an apocalyptic number.

9131472131 is a deficient number, since it is larger than the sum of its proper divisors (388660909).

9131472131 is a wasteful number, since it uses less digits than its factorization.

9131472131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4006885.

The product of its digits is 4536, while the sum is 32.

The square root of 9131472131 is about 95558.7365498310. The cubic root of 9131472131 is about 2090.1635313081.

The spelling of 9131472131 in words is "nine billion, one hundred thirty-one million, four hundred seventy-two thousand, one hundred thirty-one".

Divisors: 1 43 53 2279 4006789 172291927 212359817 9131472131