Base | Representation |
---|---|
bin | 10110001011000011… |
… | …100001100111110000 |
3 | 2021110012120020011010 |
4 | 112023003201213300 |
5 | 342224243344043 |
6 | 14534231350520 |
7 | 1501656623052 |
oct | 261303414760 |
9 | 67405506133 |
10 | 23807793648 |
11 | a107973821 |
12 | 4745222440 |
13 | 2325540582 |
14 | 121bcc58d2 |
15 | 9451c6133 |
hex | 58b0e19f0 |
23807793648 has 20 divisors (see below), whose sum is σ = 61503467048. Its totient is φ = 7935931200.
The previous prime is 23807793643. The next prime is 23807793679. The reversal of 23807793648 is 84639770832.
It is a super-2 number, since 2×238077936482 (a number of 22 digits) contains 22 as substring.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (23807793641) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 247997803 + ... + 247997898.
Almost surely, 223807793648 is an apocalyptic number.
It is an amenable number.
23807793648 is an abundant number, since it is smaller than the sum of its proper divisors (37695673400).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
23807793648 is a wasteful number, since it uses less digits than its factorization.
23807793648 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 495995712 (or 495995706 counting only the distinct ones).
The product of its (nonzero) digits is 12192768, while the sum is 57.
The spelling of 23807793648 in words is "twenty-three billion, eight hundred seven million, seven hundred ninety-three thousand, six hundred forty-eight".
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