Base | Representation |
---|---|
bin | 111101000100110011… |
… | …1100100100110100011 |
3 | 110112112121200012001100 |
4 | 1322021213210212203 |
5 | 4122102403333021 |
6 | 140130400205443 |
7 | 12322133336406 |
oct | 1721147444643 |
9 | 415477605040 |
10 | 131157871011 |
11 | 50695220822 |
12 | 21504609883 |
13 | c4a2a383cb |
14 | 64c318dd3d |
15 | 362982b626 |
hex | 1e899e49a3 |
131157871011 has 12 divisors (see below), whose sum is σ = 200594391192. Its totient is φ = 82295134656.
The previous prime is 131157871007. The next prime is 131157871027. The reversal of 131157871011 is 110178751131.
131157871011 is a `hidden beast` number, since 1 + 3 + 1 + 1 + 578 + 71 + 0 + 11 = 666.
It is not a de Polignac number, because 131157871011 - 22 = 131157871007 is a prime.
It is a super-2 number, since 2×1311578710112 (a number of 23 digits) contains 22 as substring.
It is not an unprimeable number, because it can be changed into a prime (131157871001) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 428620341 + ... + 428620646.
It is an arithmetic number, because the mean of its divisors is an integer number (16716199266).
Almost surely, 2131157871011 is an apocalyptic number.
131157871011 is a deficient number, since it is larger than the sum of its proper divisors (69436520181).
131157871011 is a wasteful number, since it uses less digits than its factorization.
131157871011 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 857241010 (or 857241007 counting only the distinct ones).
The product of its (nonzero) digits is 5880, while the sum is 36.
The spelling of 131157871011 in words is "one hundred thirty-one billion, one hundred fifty-seven million, eight hundred seventy-one thousand, eleven".
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