Base | Representation |
---|---|
bin | 10101100010101010… |
… | …011100011011001001 |
3 | 2012200222102100112222 |
4 | 111202222130123021 |
5 | 334332303130441 |
6 | 14343102543425 |
7 | 1446120601460 |
oct | 254252343311 |
9 | 65628370488 |
10 | 23130130121 |
11 | 989a3a011a |
12 | 4596297b75 |
13 | 2248021c37 |
14 | 1195cc39d7 |
15 | 905966d4b |
hex | 562a9c6c9 |
23130130121 has 16 divisors (see below), whose sum is σ = 27105610368. Its totient is φ = 19328198400.
The previous prime is 23130130117. The next prime is 23130130123. The reversal of 23130130121 is 12103103132.
It is not a de Polignac number, because 23130130121 - 22 = 23130130117 is a prime.
It is a Duffinian number.
It is a self number, because there is not a number n which added to its sum of digits gives 23130130121.
It is not an unprimeable number, because it can be changed into a prime (23130130123) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 191435 + ... + 287936.
It is an arithmetic number, because the mean of its divisors is an integer number (1694100648).
Almost surely, 223130130121 is an apocalyptic number.
It is an amenable number.
23130130121 is a deficient number, since it is larger than the sum of its proper divisors (3975480247).
23130130121 is a wasteful number, since it uses less digits than its factorization.
23130130121 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 479552.
The product of its (nonzero) digits is 108, while the sum is 17.
Adding to 23130130121 its reverse (12103103132), we get a palindrome (35233233253).
The spelling of 23130130121 in words is "twenty-three billion, one hundred thirty million, one hundred thirty thousand, one hundred twenty-one".
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