Base | Representation |
---|---|
bin | 1010100100000101011111… |
… | …01111101111001001000111 |
3 | 10001020210000211001120020202 |
4 | 11102002233233233021013 |
5 | 11021100302201212211 |
6 | 121223435233521115 |
7 | 4615215214111160 |
oct | 522025757571107 |
9 | 101223024046222 |
10 | 23230131663431 |
11 | 74469307966a0 |
12 | 27321a411319b |
13 | cc6790876844 |
14 | 5a44b6d54767 |
15 | 2a4407ed453b |
hex | 1520afbef247 |
23230131663431 has 32 divisors (see below), whose sum is σ = 31999203560448. Its totient is φ = 16295890659840.
The previous prime is 23230131663421. The next prime is 23230131663439. The reversal of 23230131663431 is 13436613103232.
It is not a de Polignac number, because 23230131663431 - 234 = 23212951794247 is a prime.
It is a super-2 number, since 2×232301316634312 (a number of 28 digits) contains 22 as substring.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (23230131663439) 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, 385762760 + ... + 385822973.
It is an arithmetic number, because the mean of its divisors is an integer number (999975111264).
Almost surely, 223230131663431 is an apocalyptic number.
23230131663431 is a deficient number, since it is larger than the sum of its proper divisors (8769071897017).
23230131663431 is a wasteful number, since it uses less digits than its factorization.
23230131663431 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 771585791.
The product of its (nonzero) digits is 139968, while the sum is 38.
Adding to 23230131663431 its reverse (13436613103232), we get a palindrome (36666744766663).
The spelling of 23230131663431 in words is "twenty-three trillion, two hundred thirty billion, one hundred thirty-one million, six hundred sixty-three thousand, four hundred thirty-one".
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