Base | Representation |
---|---|
bin | 111101000111010000… |
… | …1110100110111101010 |
3 | 110112202100200111221210 |
4 | 1322032201310313222 |
5 | 4122240001011413 |
6 | 140142502013550 |
7 | 12324153504033 |
oct | 1721641646752 |
9 | 415670614853 |
10 | 131240250858 |
11 | 50727777a42 |
12 | 215281172b6 |
13 | c4b6b1ca92 |
14 | 64d00b5a8a |
15 | 3631ba03c3 |
hex | 1e8e874dea |
131240250858 has 8 divisors (see below), whose sum is σ = 262480501728. Its totient is φ = 43746750284.
The previous prime is 131240250833. The next prime is 131240250863. The reversal of 131240250858 is 858052042131.
It is a sphenic number, since it is the product of 3 distinct primes.
131240250858 is an admirable number.
It is an unprimeable number.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10936687566 + ... + 10936687577.
It is an arithmetic number, because the mean of its divisors is an integer number (32810062716).
Almost surely, 2131240250858 is an apocalyptic number.
131240250858 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
131240250858 is a wasteful number, since it uses less digits than its factorization.
131240250858 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 21873375148.
The product of its (nonzero) digits is 76800, while the sum is 39.
Adding to 131240250858 its reverse (858052042131), we get a palindrome (989292292989).
The spelling of 131240250858 in words is "one hundred thirty-one billion, two hundred forty million, two hundred fifty thousand, eight hundred fifty-eight".
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