Base | Representation |
---|---|
bin | 10110001100001011… |
… | …101001101001010001 |
3 | 2021111112010211000000 |
4 | 112030023221221101 |
5 | 342244113412011 |
6 | 14540144520213 |
7 | 1502306421144 |
oct | 261413515121 |
9 | 67445124000 |
10 | 23826700881 |
11 | a117608035 |
12 | 474b620069 |
13 | 2329430499 |
14 | 122060805b |
15 | 946bad356 |
hex | 58c2e9a51 |
23826700881 has 21 divisors (see below), whose sum is σ = 35729959051. Its totient is φ = 15881688792.
The previous prime is 23826700873. The next prime is 23826700943. The reversal of 23826700881 is 18800762832.
The square root of 23826700881 is 154359.
It is a perfect power (a square), and thus also a powerful number.
It can be written as a sum of positive squares in only one way, i.e., 13889801025 + 9936899856 = 117855^2 + 99684^2 .
It is not a de Polignac number, because 23826700881 - 23 = 23826700873 is a prime.
It is a super-2 number, since 2×238267008812 (a number of 22 digits) contains 22 as substring.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (23826700831) by changing a digit.
It is a polite number, since it can be written in 20 ways as a sum of consecutive naturals, for example, 4164835 + ... + 4170551.
Almost surely, 223826700881 is an apocalyptic number.
23826700881 is the 154359-th square number.
23826700881 is the 77180-th centered octagonal number.
It is an amenable number.
23826700881 is a deficient number, since it is larger than the sum of its proper divisors (11903258170).
23826700881 is an frugal number, since it uses more digits than its factorization.
23826700881 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 11452 (or 5720 counting only the distinct ones).
The product of its (nonzero) digits is 258048, while the sum is 45.
The spelling of 23826700881 in words is "twenty-three billion, eight hundred twenty-six million, seven hundred thousand, eight hundred eighty-one".
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