Base | Representation |
---|---|
bin | 111101001101010110… |
… | …0010011010110000001 |
3 | 110120021120200111021200 |
4 | 1322122230103112001 |
5 | 4123144221324323 |
6 | 140215032011413 |
7 | 12332212213443 |
oct | 1723254232601 |
9 | 416246614250 |
10 | 131444323713 |
11 | 5082199199a |
12 | 21584530b69 |
13 | c51a1a1b51 |
14 | 650d238493 |
15 | 3644a61443 |
hex | 1e9ab13581 |
131444323713 has 12 divisors (see below), whose sum is σ = 192538165248. Its totient is φ = 86395329720.
The previous prime is 131444323711. The next prime is 131444323729. The reversal of 131444323713 is 317323444131.
131444323713 is a `hidden beast` number, since 1 + 314 + 4 + 4 + 323 + 7 + 13 = 666.
It is not a de Polignac number, because 131444323713 - 21 = 131444323711 is a prime.
It is a super-2 number, since 2×1314443237132 (a number of 23 digits) contains 22 as substring.
It is not an unprimeable number, because it can be changed into a prime (131444323711) by changing a digit.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 102850945 + ... + 102852222.
It is an arithmetic number, because the mean of its divisors is an integer number (16044847104).
Almost surely, 2131444323713 is an apocalyptic number.
It is an amenable number.
131444323713 is a deficient number, since it is larger than the sum of its proper divisors (61093841535).
131444323713 is a wasteful number, since it uses less digits than its factorization.
131444323713 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 205703244 (or 205703241 counting only the distinct ones).
The product of its digits is 72576, while the sum is 36.
Adding to 131444323713 its reverse (317323444131), we get a palindrome (448767767844).
The spelling of 131444323713 in words is "one hundred thirty-one billion, four hundred forty-four million, three hundred twenty-three thousand, seven hundred thirteen".
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