Base | Representation |
---|---|
bin | 111101000111101110… |
… | …0001100010010001011 |
3 | 110112210102110211221222 |
4 | 1322033130030102023 |
5 | 4122302410113430 |
6 | 140144205552255 |
7 | 12324430530143 |
oct | 1721734142213 |
9 | 415712424858 |
10 | 131255551115 |
11 | 50735378287 |
12 | 2153127568b |
13 | c4ba048ca0 |
14 | 64d2139923 |
15 | 36331c39e5 |
hex | 1e8f70c48b |
131255551115 has 16 divisors (see below), whose sum is σ = 169694118048. Its totient is φ = 96886285056.
The previous prime is 131255551087. The next prime is 131255551129. The reversal of 131255551115 is 511155552131.
It is a cyclic number.
It is not a de Polignac number, because 131255551115 - 210 = 131255550091 is a prime.
It is an unprimeable number.
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 15 ways as a sum of consecutive naturals, for example, 270257 + ... + 579266.
It is an arithmetic number, because the mean of its divisors is an integer number (10605882378).
Almost surely, 2131255551115 is an apocalyptic number.
131255551115 is a deficient number, since it is larger than the sum of its proper divisors (38438566933).
131255551115 is a wasteful number, since it uses less digits than its factorization.
131255551115 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 851918.
The product of its digits is 18750, while the sum is 35.
The spelling of 131255551115 in words is "one hundred thirty-one billion, two hundred fifty-five million, five hundred fifty-one thousand, one hundred fifteen".
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