Base | Representation |
---|---|
bin | 1111101000100… |
… | …11100100000101 |
3 | 100010210012220102 |
4 | 13310103210011 |
5 | 232033332013 |
6 | 21003013445 |
7 | 3151526510 |
oct | 764234405 |
9 | 303705812 |
10 | 131152133 |
11 | 680395a2 |
12 | 37b0a285 |
13 | 21230018 |
14 | 135bdd77 |
15 | b7a9d58 |
hex | 7d13905 |
131152133 has 4 divisors (see below), whose sum is σ = 149888160. Its totient is φ = 112416108.
The previous prime is 131152129. The next prime is 131152163. The reversal of 131152133 is 331251131.
It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.
It is not a de Polignac number, because 131152133 - 22 = 131152129 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (131152163) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9368003 + ... + 9368016.
It is an arithmetic number, because the mean of its divisors is an integer number (37472040).
Almost surely, 2131152133 is an apocalyptic number.
It is an amenable number.
131152133 is a deficient number, since it is larger than the sum of its proper divisors (18736027).
131152133 is an equidigital number, since it uses as much as digits as its factorization.
131152133 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 18736026.
The product of its digits is 270, while the sum is 20.
The square root of 131152133 is about 11452.1671748189. The cubic root of 131152133 is about 508.0718337772.
The spelling of 131152133 in words is "one hundred thirty-one million, one hundred fifty-two thousand, one hundred thirty-three".
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