Base | Representation |
---|---|
bin | 10101101001011011… |
… | …000001111110010011 |
3 | 2012222212210200010100 |
4 | 111221123001332103 |
5 | 340100320431011 |
6 | 14402233303443 |
7 | 1451665513653 |
oct | 255133017623 |
9 | 65885720110 |
10 | 23243530131 |
11 | 9948404238 |
12 | 4608264b83 |
13 | 2265677a33 |
14 | 11a6da2363 |
15 | 9108b6d56 |
hex | 5696c1f93 |
23243530131 has 12 divisors (see below), whose sum is σ = 34731712080. Its totient is φ = 14961352560.
The previous prime is 23243530069. The next prime is 23243530139. The reversal of 23243530131 is 13103534232.
23243530131 is a `hidden beast` number, since 2 + 324 + 3 + 5 + 301 + 31 = 666.
It is not a de Polignac number, because 23243530131 - 26 = 23243530067 is a prime.
It is a super-2 number, since 2×232435301312 (a number of 22 digits) contains 22 as substring.
It is a junction number, because it is equal to n+sod(n) for n = 23243530095 and 23243530104.
It is not an unprimeable number, because it can be changed into a prime (23243530139) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 44527575 + ... + 44528096.
It is an arithmetic number, because the mean of its divisors is an integer number (2894309340).
Almost surely, 223243530131 is an apocalyptic number.
23243530131 is a deficient number, since it is larger than the sum of its proper divisors (11488181949).
23243530131 is a wasteful number, since it uses less digits than its factorization.
23243530131 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 89055706 (or 89055703 counting only the distinct ones).
The product of its (nonzero) digits is 6480, while the sum is 27.
The spelling of 23243530131 in words is "twenty-three billion, two hundred forty-three million, five hundred thirty thousand, one hundred thirty-one".
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