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131138858322 = 2327285492129
BaseRepresentation
bin111101000100001111…
…1000010110101010010
3110112111021220020112200
41322020133002311102
54122033021431242
6140124440504030
712321512622003
oct1721037026522
9415437806480
10131138858322
115068551525a
12214ba17b016
13c49bb0c4b4
1464c08411aa
153627d2304c
hex1e887c2d52

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".

Divisors: 1 2 3 6 9 18 7285492129 14570984258 21856476387 43712952774 65569429161 131138858322