Base | Representation |
---|---|
bin | 10101111010000111… |
… | …011011001111100111 |
3 | 2020201101210212110112 |
4 | 111322013123033213 |
5 | 341134020302211 |
6 | 14450120243235 |
7 | 1461636221126 |
oct | 257207331747 |
9 | 66641725415 |
10 | 23523603431 |
11 | 9a81508479 |
12 | 468601051b |
13 | 22ab6b9893 |
14 | 11d2269abd |
15 | 92a28b88b |
hex | 57a1db3e7 |
23523603431 has 12 divisors (see below), whose sum is σ = 24372308064. Its totient is φ = 22703520000.
The previous prime is 23523603421. The next prime is 23523603449. The reversal of 23523603431 is 13430632532.
It is not a de Polignac number, because 23523603431 - 214 = 23523587047 is a prime.
It is a super-2 number, since 2×235236034312 (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 (23523603401) by changing a digit.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3361346 + ... + 3368336.
It is an arithmetic number, because the mean of its divisors is an integer number (2031025672).
Almost surely, 223523603431 is an apocalyptic number.
23523603431 is a deficient number, since it is larger than the sum of its proper divisors (848704633).
23523603431 is an equidigital number, since it uses as much as digits as its factorization.
23523603431 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 11050 (or 11021 counting only the distinct ones).
The product of its (nonzero) digits is 38880, while the sum is 32.
The spelling of 23523603431 in words is "twenty-three billion, five hundred twenty-three million, six hundred three thousand, four hundred thirty-one".
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