Base | Representation |
---|---|
bin | 10101100010010100… |
… | …001111110010111111 |
3 | 2012200120110201112112 |
4 | 111202110033302333 |
5 | 334324310424411 |
6 | 14342334124235 |
7 | 1446020255000 |
oct | 254224176277 |
9 | 65616421475 |
10 | 23124311231 |
11 | 989708631a |
12 | 459435067b |
13 | 2246a654c8 |
14 | 119520b1a7 |
15 | 9051b7b8b |
hex | 56250fcbf |
23124311231 has 32 divisors (see below), whose sum is σ = 27767040000. Its totient is φ = 19237901760.
The previous prime is 23124311207. The next prime is 23124311269. The reversal of 23124311231 is 13211342132.
It is not a de Polignac number, because 23124311231 - 26 = 23124311167 is a prime.
It is a super-2 number, since 2×231243112312 (a number of 22 digits) contains 22 as substring.
It is a junction number, because it is equal to n+sod(n) for n = 23124311197 and 23124311206.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (23124311731) by changing a digit.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2794406 + ... + 2802668.
It is an arithmetic number, because the mean of its divisors is an integer number (867720000).
Almost surely, 223124311231 is an apocalyptic number.
23124311231 is a deficient number, since it is larger than the sum of its proper divisors (4642728769).
23124311231 is an equidigital number, since it uses as much as digits as its factorization.
23124311231 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 8524 (or 8510 counting only the distinct ones).
The product of its digits is 864, while the sum is 23.
Adding to 23124311231 its reverse (13211342132), we get a palindrome (36335653363).
The spelling of 23124311231 in words is "twenty-three billion, one hundred twenty-four million, three hundred eleven thousand, two hundred thirty-one".
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