Base | Representation |
---|---|
bin | 111101001001011010… |
… | …1111010101001010010 |
3 | 110112221101212120100011 |
4 | 1322102311322221102 |
5 | 4122412013020013 |
6 | 140154005145134 |
7 | 12326022623032 |
oct | 1722265725122 |
9 | 415841776304 |
10 | 131312626258 |
11 | 50764610720 |
12 | 215483bb1aa |
13 | c4c8b10868 |
14 | 64d99558c2 |
15 | 36381e9c3d |
hex | 1e92d7aa52 |
131312626258 has 16 divisors (see below), whose sum is σ = 219872306016. Its totient is φ = 58299474240.
The previous prime is 131312626241. The next prime is 131312626271. The reversal of 131312626258 is 852626213131.
It is a self number, because there is not a number n which added to its sum of digits gives 131312626258.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 69403191 + ... + 69405082.
It is an arithmetic number, because the mean of its divisors is an integer number (13742019126).
Almost surely, 2131312626258 is an apocalyptic number.
131312626258 is a deficient number, since it is larger than the sum of its proper divisors (88559679758).
131312626258 is a wasteful number, since it uses less digits than its factorization.
131312626258 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 138808329.
The product of its digits is 103680, while the sum is 40.
Adding to 131312626258 its reverse (852626213131), we get a palindrome (983938839389).
The spelling of 131312626258 in words is "one hundred thirty-one billion, three hundred twelve million, six hundred twenty-six thousand, two hundred fifty-eight".
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