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31368415627 = 293107059439
BaseRepresentation
bin11101001101101101…
…000000100110001011
32222222010012121201101
4131031231000212023
51003220303300002
622224354002231
72160224063533
oct351555004613
988863177641
1031368415627
111233771aa3a
1260b5276377
132c5ba356a3
1417380984c3
15c38d30587
hex74db4098b

31368415627 has 4 divisors (see below), whose sum is σ = 31475475360. Its totient is φ = 31261355896.

The previous prime is 31368415607. The next prime is 31368415633. The reversal of 31368415627 is 72651486313.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-31368415627 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (31368415607) 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 3 ways as a sum of consecutive naturals, for example, 53529427 + ... + 53530012.

It is an arithmetic number, because the mean of its divisors is an integer number (7868868840).

Almost surely, 231368415627 is an apocalyptic number.

31368415627 is a deficient number, since it is larger than the sum of its proper divisors (107059733).

31368415627 is a wasteful number, since it uses less digits than its factorization.

31368415627 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 107059732.

The product of its digits is 725760, while the sum is 46.

The spelling of 31368415627 in words is "thirty-one billion, three hundred sixty-eight million, four hundred fifteen thousand, six hundred twenty-seven".

Divisors: 1 293 107059439 31368415627