Base | Representation |
---|---|
bin | 10101100010101010… |
… | …011001111111000011 |
3 | 2012200222101211211222 |
4 | 111202222121333003 |
5 | 334332302321011 |
6 | 14343102425255 |
7 | 1446120530366 |
oct | 254252317703 |
9 | 65628354758 |
10 | 23130120131 |
11 | 989a393668 |
12 | 459629222b |
13 | 224801a521 |
14 | 1195cc00dd |
15 | 905963ddb |
hex | 562a99fc3 |
23130120131 has 4 divisors (see below), whose sum is σ = 24135777552. Its totient is φ = 22124462712.
The previous prime is 23130120109. The next prime is 23130120137. The reversal of 23130120131 is 13102103132.
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 23130120131 - 210 = 23130119107 is a prime.
It is a super-2 number, since 2×231301201312 (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 (23130120137) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 502828676 + ... + 502828721.
It is an arithmetic number, because the mean of its divisors is an integer number (6033944388).
Almost surely, 223130120131 is an apocalyptic number.
23130120131 is a deficient number, since it is larger than the sum of its proper divisors (1005657421).
23130120131 is a wasteful number, since it uses less digits than its factorization.
23130120131 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1005657420.
The product of its (nonzero) digits is 108, while the sum is 17.
Adding to 23130120131 its reverse (13102103132), we get a palindrome (36232223263).
The spelling of 23130120131 in words is "twenty-three billion, one hundred thirty million, one hundred twenty thousand, one hundred thirty-one".
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