Base | Representation |
---|---|
bin | 10101111111111011… |
… | …110110000100010000 |
3 | 2020222012111212010101 |
4 | 111333323312010100 |
5 | 341334013341424 |
6 | 14503524542144 |
7 | 1464233102200 |
oct | 257773660420 |
9 | 66865455111 |
10 | 23621230864 |
11 | a021629400 |
12 | 46b2851954 |
13 | 22c59ac4aa |
14 | 1201200400 |
15 | 933b23344 |
hex | 57fef6110 |
23621230864 has 135 divisors (see below), whose sum is σ = 58635479511. Its totient is φ = 9184633920.
The previous prime is 23621230861. The next prime is 23621230879. The reversal of 23621230864 is 46803212632.
The square root of 23621230864 is 153692.
It is a perfect power (a square), and thus also a powerful number.
It is not an unprimeable number, because it can be changed into a prime (23621230861) by changing a digit.
It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 47336887 + ... + 47337385.
Almost surely, 223621230864 is an apocalyptic number.
23621230864 is the 153692-nd square number.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 23621230864
23621230864 is an abundant number, since it is smaller than the sum of its proper divisors (35014248647).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
23621230864 is an equidigital number, since it uses as much as digits as its factorization.
23621230864 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1042 (or 519 counting only the distinct ones).
The product of its (nonzero) digits is 82944, while the sum is 37.
The spelling of 23621230864 in words is "twenty-three billion, six hundred twenty-one million, two hundred thirty thousand, eight hundred sixty-four".
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