Base | Representation |
---|---|
bin | 111101000100001111… |
… | …1000010110101010010 |
3 | 110112111021220020112200 |
4 | 1322020133002311102 |
5 | 4122033021431242 |
6 | 140124440504030 |
7 | 12321512622003 |
oct | 1721037026522 |
9 | 415437806480 |
10 | 131138858322 |
11 | 5068551525a |
12 | 214ba17b016 |
13 | c49bb0c4b4 |
14 | 64c08411aa |
15 | 3627d2304c |
hex | 1e887c2d52 |
131138858322 has 12 divisors (see below), whose sum is σ = 284134193070. Its totient is φ = 43712952768.
The previous prime is 131138858311. The next prime is 131138858327. The reversal of 131138858322 is 223858831131.
131138858322 is a `hidden beast` number, since 1 + 3 + 11 + 38 + 8 + 583 + 22 = 666.
It can be written as a sum of positive squares in only one way, i.e., 68414156721 + 62724701601 = 261561^2 + 250449^2 .
It is not an unprimeable number, because it can be changed into a prime (131138858327) by changing a digit.
It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 3642746047 + ... + 3642746082.
Almost surely, 2131138858322 is an apocalyptic number.
131138858322 is an abundant number, since it is smaller than the sum of its proper divisors (152995334748).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
131138858322 is a wasteful number, since it uses less digits than its factorization.
131138858322 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 7285492137 (or 7285492134 counting only the distinct ones).
The product of its digits is 276480, while the sum is 45.
The spelling of 131138858322 in words is "one hundred thirty-one billion, one hundred thirty-eight million, eight hundred fifty-eight thousand, three hundred twenty-two".
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