Base | Representation |
---|---|
bin | 10101100001100101… |
… | …010011011110010101 |
3 | 2012122201022112021122 |
4 | 111201211103132111 |
5 | 334313133134100 |
6 | 14341214253325 |
7 | 1445510543210 |
oct | 254145233625 |
9 | 65581275248 |
10 | 23112005525 |
11 | 9890140914 |
12 | 45901b7245 |
13 | 224434731b |
14 | 1193726777 |
15 | 904086985 |
hex | 561953795 |
23112005525 has 24 divisors (see below), whose sum is σ = 32919321600. Its totient is φ = 15767760960.
The previous prime is 23112005467. The next prime is 23112005531. The reversal of 23112005525 is 52550021132.
It is not a de Polignac number, because 23112005525 - 28 = 23112005269 is a prime.
It is a junction number, because it is equal to n+sod(n) for n = 23112005494 and 23112005503.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 300725 + ... + 369674.
It is an arithmetic number, because the mean of its divisors is an integer number (1371638400).
Almost surely, 223112005525 is an apocalyptic number.
23112005525 is a gapful number since it is divisible by the number (25) formed by its first and last digit.
It is an amenable number.
23112005525 is a deficient number, since it is larger than the sum of its proper divisors (9807316075).
23112005525 is a wasteful number, since it uses less digits than its factorization.
23112005525 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 670613 (or 670608 counting only the distinct ones).
The product of its (nonzero) digits is 3000, while the sum is 26.
Adding to 23112005525 its reverse (52550021132), we get a palindrome (75662026657).
The spelling of 23112005525 in words is "twenty-three billion, one hundred twelve million, five thousand, five hundred twenty-five".
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