Base | Representation |
---|---|
bin | 1011111011110111000110… |
… | …1011111000111100100011 |
3 | 1201110112211200201001011122 |
4 | 2332331301223320330203 |
5 | 3210001432244421011 |
6 | 43524345440202455 |
7 | 2523051656044664 |
oct | 276756153707443 |
9 | 51415750631148 |
10 | 13123032420131 |
11 | 41aa4a0758a57 |
12 | 157b3b900942b |
13 | 74265c19870a |
14 | 33522ddb336b |
15 | 17b5609873db |
hex | bef71af8f23 |
13123032420131 has 16 divisors (see below), whose sum is σ = 13919578358400. Its totient is φ = 12337078104000.
The previous prime is 13123032420083. The next prime is 13123032420209. The reversal of 13123032420131 is 13102423032131.
It is a happy number.
It is a cyclic number.
It is not a de Polignac number, because 13123032420131 - 218 = 13123032157987 is a prime.
It is a super-2 number, since 2×131230324201312 (a number of 27 digits) contains 22 as substring.
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 13123032420131.
It is not an unprimeable number, because it can be changed into a prime (13123032420431) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 123224456 + ... + 123330906.
It is an arithmetic number, because the mean of its divisors is an integer number (869973647400).
Almost surely, 213123032420131 is an apocalyptic number.
13123032420131 is a deficient number, since it is larger than the sum of its proper divisors (796545938269).
13123032420131 is a wasteful number, since it uses less digits than its factorization.
13123032420131 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 156130.
The product of its (nonzero) digits is 2592, while the sum is 26.
Adding to 13123032420131 its reverse (13102423032131), we get a palindrome (26225455452262).
The spelling of 13123032420131 in words is "thirteen trillion, one hundred twenty-three billion, thirty-two million, four hundred twenty thousand, one hundred thirty-one".
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