Base | Representation |
---|---|
bin | 10101100001100101… |
… | …110010011001110101 |
3 | 2012122201112222001210 |
4 | 111201211302121311 |
5 | 334313201212323 |
6 | 14341221112033 |
7 | 1445511611442 |
oct | 254145623165 |
9 | 65581488053 |
10 | 23112132213 |
11 | 9890218015 |
12 | 4590258619 |
13 | 224438cba1 |
14 | 119375a9c9 |
15 | 9040ae293 |
hex | 561972675 |
23112132213 has 16 divisors (see below), whose sum is σ = 32641876800. Its totient is φ = 14495959296.
The previous prime is 23112132191. The next prime is 23112132227. The reversal of 23112132213 is 31223121132.
It is not a de Polignac number, because 23112132213 - 221 = 23110035061 is a prime.
It is a self number, because there is not a number n which added to its sum of digits gives 23112132213.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (23112132283) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 41106 + ... + 218892.
It is an arithmetic number, because the mean of its divisors is an integer number (2040117300).
Almost surely, 223112132213 is an apocalyptic number.
It is an amenable number.
23112132213 is a deficient number, since it is larger than the sum of its proper divisors (9529744587).
23112132213 is a wasteful number, since it uses less digits than its factorization.
23112132213 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 180356.
The product of its digits is 432, while the sum is 21.
Adding to 23112132213 its reverse (31223121132), we get a palindrome (54335253345).
The spelling of 23112132213 in words is "twenty-three billion, one hundred twelve million, one hundred thirty-two thousand, two hundred thirteen".
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