Base | Representation |
---|---|
bin | 10101011010111010… |
… | …110010111111011011 |
3 | 2012100220221011202002 |
4 | 111122322302333123 |
5 | 334101022333011 |
6 | 14322142031215 |
7 | 1442652316100 |
oct | 253272627733 |
9 | 65326834662 |
10 | 23000199131 |
11 | 9833016038 |
12 | 455a87850b |
13 | 222712b9b0 |
14 | 1182940aa7 |
15 | 8e934dc3b |
hex | 55aeb2fdb |
23000199131 has 24 divisors (see below), whose sum is σ = 28920764880. Its totient is φ = 18130174272.
The previous prime is 23000199083. The next prime is 23000199137. The reversal of 23000199131 is 13199100032.
It is not a de Polignac number, because 23000199131 - 210 = 23000198107 is a prime.
It is a super-2 number, since 2×230001991312 (a number of 22 digits) contains 22 as substring.
It is a junction number, because it is equal to n+sod(n) for n = 23000199094 and 23000199103.
It is not an unprimeable number, because it can be changed into a prime (23000199137) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (23) of ones.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 104240 + ... + 238466.
It is an arithmetic number, because the mean of its divisors is an integer number (1205031870).
Almost surely, 223000199131 is an apocalyptic number.
23000199131 is a deficient number, since it is larger than the sum of its proper divisors (5920565749).
23000199131 is a wasteful number, since it uses less digits than its factorization.
23000199131 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 134523 (or 134516 counting only the distinct ones).
The product of its (nonzero) digits is 1458, while the sum is 29.
Adding to 23000199131 its reverse (13199100032), we get a palindrome (36199299163).
The spelling of 23000199131 in words is "twenty-three billion, one hundred ninety-nine thousand, one hundred thirty-one".
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