Base | Representation |
---|---|
bin | 111101000000111011… |
… | …0010011010001100001 |
3 | 110112012112101101111010 |
4 | 1322001312103101201 |
5 | 4121321020430330 |
6 | 140105422211133 |
7 | 12315661332231 |
oct | 1720166232141 |
9 | 415175341433 |
10 | 131027514465 |
11 | 50628685a41 |
12 | 21488a23aa9 |
13 | c481a26563 |
14 | 64adb39cc1 |
15 | 361d17c3b0 |
hex | 1e81d93461 |
131027514465 has 64 divisors (see below), whose sum is σ = 227171008512. Its totient is φ = 64298572800.
The previous prime is 131027514461. The next prime is 131027514469. The reversal of 131027514465 is 564415720131.
It is an interprime number because it is at equal distance from previous prime (131027514461) and next prime (131027514469).
It is not a de Polignac number, because 131027514465 - 22 = 131027514461 is a prime.
It is a Curzon number.
It is not an unprimeable number, because it can be changed into a prime (131027514461) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 1749385 + ... + 1822745.
It is an arithmetic number, because the mean of its divisors is an integer number (3549547008).
Almost surely, 2131027514465 is an apocalyptic number.
131027514465 is a gapful number since it is divisible by the number (15) formed by its first and last digit.
It is an amenable number.
131027514465 is a deficient number, since it is larger than the sum of its proper divisors (96143494047).
131027514465 is a wasteful number, since it uses less digits than its factorization.
131027514465 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 73590.
The product of its (nonzero) digits is 100800, while the sum is 39.
The spelling of 131027514465 in words is "one hundred thirty-one billion, twenty-seven million, five hundred fourteen thousand, four hundred sixty-five".
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