Base | Representation |
---|---|
bin | 10110010000101111… |
… | …001001101000100101 |
3 | 2021200211221002120200 |
4 | 112100233021220211 |
5 | 342423144201223 |
6 | 14551514421113 |
7 | 1504225063203 |
oct | 262057115045 |
9 | 67624832520 |
10 | 23903115813 |
11 | a15675a775 |
12 | 4771131799 |
13 | 233c206b15 |
14 | 122a81a073 |
15 | 94d754a43 |
hex | 590bc9a25 |
23903115813 has 72 divisors (see below), whose sum is σ = 37417199040. Its totient is φ = 14660352000.
The previous prime is 23903115791. The next prime is 23903115853. The reversal of 23903115813 is 31851130932.
It is not a de Polignac number, because 23903115813 - 26 = 23903115749 is a prime.
It is a hoax number, since the sum of its digits (36) coincides with the sum of the digits of its distinct prime factors.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (23903115853) by changing a digit.
It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 123850245 + ... + 123850437.
It is an arithmetic number, because the mean of its divisors is an integer number (519683320).
Almost surely, 223903115813 is an apocalyptic number.
It is an amenable number.
23903115813 is a deficient number, since it is larger than the sum of its proper divisors (13514083227).
23903115813 is a wasteful number, since it uses less digits than its factorization.
23903115813 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 491 (or 387 counting only the distinct ones).
The product of its (nonzero) digits is 19440, while the sum is 36.
The spelling of 23903115813 in words is "twenty-three billion, nine hundred three million, one hundred fifteen thousand, eight hundred thirteen".
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