Base | Representation |
---|---|
bin | 10101011100101101… |
… | …010010001000111011 |
3 | 2012110000101221110122 |
4 | 111130231102020323 |
5 | 334131213224011 |
6 | 14325133203455 |
7 | 1443465364454 |
oct | 253455221073 |
9 | 65400357418 |
10 | 23030211131 |
11 | 9848a54544 |
12 | 456893058b |
13 | 2230409285 |
14 | 118691412b |
15 | 8ebccb3db |
hex | 55cb5223b |
23030211131 has 4 divisors (see below), whose sum is σ = 23055603672. Its totient is φ = 23004818592.
The previous prime is 23030211107. The next prime is 23030211161. The reversal of 23030211131 is 13111203032.
It is a semiprime because it is the product of two primes.
It is a cyclic number.
It is not a de Polignac number, because 23030211131 - 230 = 21956469307 is a prime.
It is a super-2 number, since 2×230302111312 (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 (23030211101) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12694910 + ... + 12696723.
It is an arithmetic number, because the mean of its divisors is an integer number (5763900918).
Almost surely, 223030211131 is an apocalyptic number.
23030211131 is a deficient number, since it is larger than the sum of its proper divisors (25392541).
23030211131 is an equidigital number, since it uses as much as digits as its factorization.
23030211131 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 25392540.
The product of its (nonzero) digits is 108, while the sum is 17.
Adding to 23030211131 its reverse (13111203032), we get a palindrome (36141414163).
The spelling of 23030211131 in words is "twenty-three billion, thirty million, two hundred eleven thousand, one hundred thirty-one".
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