Base | Representation |
---|---|
bin | 111101000011111111… |
… | …1000001000110011101 |
3 | 110112110201002200210210 |
4 | 1322013333001012131 |
5 | 4122023344300441 |
6 | 140123540523033 |
7 | 12321351353514 |
oct | 1720777010635 |
9 | 415421080723 |
10 | 131130462621 |
11 | 50680800464 |
12 | 214b73b0479 |
13 | c49a15cc22 |
14 | 64bd69767b |
15 | 3627215616 |
hex | 1e87fc119d |
131130462621 has 16 divisors (see below), whose sum is σ = 179026919424. Its totient is φ = 85336871664.
The previous prime is 131130462599. The next prime is 131130462623. The reversal of 131130462621 is 126264031131.
It is a de Polignac number, because none of the positive numbers 2k-131130462621 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (131130462623) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1160101 + ... + 1268106.
It is an arithmetic number, because the mean of its divisors is an integer number (11189182464).
Almost surely, 2131130462621 is an apocalyptic number.
It is an amenable number.
131130462621 is a deficient number, since it is larger than the sum of its proper divisors (47896456803).
131130462621 is a wasteful number, since it uses less digits than its factorization.
131130462621 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 2428640.
The product of its (nonzero) digits is 5184, while the sum is 30.
Adding to 131130462621 its reverse (126264031131), we get a palindrome (257394493752).
The spelling of 131130462621 in words is "one hundred thirty-one billion, one hundred thirty million, four hundred sixty-two thousand, six hundred twenty-one".
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