Base | Representation |
---|---|
bin | 1111101001100… |
… | …00011101111011 |
3 | 100011000020022020 |
4 | 13310300131323 |
5 | 232101124043 |
6 | 21005325523 |
7 | 3152531616 |
oct | 764603573 |
9 | 304006266 |
10 | 131270523 |
11 | 6810a53a |
12 | 37b668a3 |
13 | 21271b87 |
14 | 1361117d |
15 | b7cee83 |
hex | 7d3077b |
131270523 has 16 divisors (see below), whose sum is σ = 182009856. Its totient is φ = 84064320.
The previous prime is 131270521. The next prime is 131270527. The reversal of 131270523 is 325072131.
It is not a de Polignac number, because 131270523 - 21 = 131270521 is a prime.
It is a junction number, because it is equal to n+sod(n) for n = 131270493 and 131270502.
It is not an unprimeable number, because it can be changed into a prime (131270521) 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 15 ways as a sum of consecutive naturals, for example, 7590 + ... + 17892.
It is an arithmetic number, because the mean of its divisors is an integer number (11375616).
Almost surely, 2131270523 is an apocalyptic number.
131270523 is a deficient number, since it is larger than the sum of its proper divisors (50739333).
131270523 is a wasteful number, since it uses less digits than its factorization.
131270523 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 10474.
The product of its (nonzero) digits is 1260, while the sum is 24.
The square root of 131270523 is about 11457.3348995305. The cubic root of 131270523 is about 508.2246652840.
The spelling of 131270523 in words is "one hundred thirty-one million, two hundred seventy thousand, five hundred twenty-three".
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