Base | Representation |
---|---|
bin | 10101100010101101… |
… | …111000101010101010 |
3 | 2012201001010012000120 |
4 | 111202231320222222 |
5 | 334333021012414 |
6 | 14343134144110 |
7 | 1446131346522 |
oct | 254255705252 |
9 | 65631105016 |
10 | 23131032234 |
11 | 989a956972 |
12 | 4596652036 |
13 | 224827972b |
14 | 119607a682 |
15 | 905a942a9 |
hex | 562b78aaa |
23131032234 has 16 divisors (see below), whose sum is σ = 47246364288. Its totient is φ = 7546294112.
The previous prime is 23131032233. The next prime is 23131032289. The reversal of 23131032234 is 43223013132.
It is a Curzon number.
It is not an unprimeable number, because it can be changed into a prime (23131032233) 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, 41012187 + ... + 41012750.
It is an arithmetic number, because the mean of its divisors is an integer number (2952897768).
Almost surely, 223131032234 is an apocalyptic number.
23131032234 is an abundant number, since it is smaller than the sum of its proper divisors (24115332054).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
23131032234 is a wasteful number, since it uses less digits than its factorization.
23131032234 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 82024989.
The product of its (nonzero) digits is 2592, while the sum is 24.
Adding to 23131032234 its reverse (43223013132), we get a palindrome (66354045366).
The spelling of 23131032234 in words is "twenty-three billion, one hundred thirty-one million, thirty-two thousand, two hundred thirty-four".
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