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31944851713 = 227931915101
BaseRepresentation
bin11101110000000011…
…111100000100000001
310001110021212121101001
4131300003330010001
51010410340223323
622401505012001
72210423521315
oct356003740401
9101407777331
1031944851713
11126030439a5
126236324001
1330212a0928
141790869b45
15c6e7463ad
hex7700fc101

31944851713 has 8 divisors (see below), whose sum is σ = 32091145920. Its totient is φ = 31798606800.

The previous prime is 31944851663. The next prime is 31944851717. The reversal of 31944851713 is 31715844913.

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 31944851713 - 213 = 31944843521 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (31944851717) 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, 2107863 + ... + 2122963.

It is an arithmetic number, because the mean of its divisors is an integer number (4011393240).

Almost surely, 231944851713 is an apocalyptic number.

It is an amenable number.

31944851713 is a deficient number, since it is larger than the sum of its proper divisors (146294207).

31944851713 is a wasteful number, since it uses less digits than its factorization.

31944851713 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24647.

The product of its digits is 362880, while the sum is 46.

The spelling of 31944851713 in words is "thirty-one billion, nine hundred forty-four million, eight hundred fifty-one thousand, seven hundred thirteen".

Divisors: 1 227 9319 15101 2115413 3427927 140726219 31944851713