Base | Representation |
---|---|
bin | 111101000110111101… |
… | …1110111011111100101 |
3 | 110112201122221222010102 |
4 | 1322031323313133211 |
5 | 4122224424101013 |
6 | 140141504433445 |
7 | 12324003101132 |
oct | 1721573673745 |
9 | 415648858112 |
10 | 131230300133 |
11 | 507220a08a9 |
12 | 21524918885 |
13 | c4b4a4778a |
14 | 64cca45589 |
15 | 3630d86d58 |
hex | 1e8def77e5 |
131230300133 has 4 divisors (see below), whose sum is σ = 131543499360. Its totient is φ = 130917100908.
The previous prime is 131230300093. The next prime is 131230300139. The reversal of 131230300133 is 331003032131.
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 a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-131230300133 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 (131230300139) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 156598985 + ... + 156599822.
It is an arithmetic number, because the mean of its divisors is an integer number (32885874840).
Almost surely, 2131230300133 is an apocalyptic number.
It is an amenable number.
131230300133 is a deficient number, since it is larger than the sum of its proper divisors (313199227).
131230300133 is an equidigital number, since it uses as much as digits as its factorization.
131230300133 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 313199226.
The product of its (nonzero) digits is 486, while the sum is 20.
Adding to 131230300133 its reverse (331003032131), we get a palindrome (462233332264).
The spelling of 131230300133 in words is "one hundred thirty-one billion, two hundred thirty million, three hundred thousand, one hundred thirty-three".
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