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23831141399 = 132178294863
BaseRepresentation
bin10110001100011100…
…100101110000010111
32021111211111102020122
4112030130211300113
5342301233011044
614540424022155
71502362234232
oct261434456027
967454442218
1023831141399
11a11a07028a
12475100195b
13232a326700
141221042419
15947288dee
hex58c725c17

23831141399 has 12 divisors (see below), whose sum is σ = 27323282016. Its totient is φ = 20703975552.

The previous prime is 23831141333. The next prime is 23831141443. The reversal of 23831141399 is 99314113832.

It is not a de Polignac number, because 23831141399 - 212 = 23831137303 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23831141899) 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 11 ways as a sum of consecutive naturals, for example, 4144559 + ... + 4150304.

It is an arithmetic number, because the mean of its divisors is an integer number (2276940168).

Almost surely, 223831141399 is an apocalyptic number.

23831141399 is a deficient number, since it is larger than the sum of its proper divisors (3492140617).

23831141399 is a wasteful number, since it uses less digits than its factorization.

23831141399 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8294906 (or 8294893 counting only the distinct ones).

The product of its digits is 139968, while the sum is 44.

The spelling of 23831141399 in words is "twenty-three billion, eight hundred thirty-one million, one hundred forty-one thousand, three hundred ninety-nine".

Divisors: 1 13 17 169 221 2873 8294863 107833219 141012671 1401831847 1833164723 23831141399