Base | Representation |
---|---|
bin | 1111100001101… |
… | …00001001010101 |
3 | 100002001201121002 |
4 | 13300310021111 |
5 | 231320041023 |
6 | 20531233045 |
7 | 3140665514 |
oct | 760641125 |
9 | 302051532 |
10 | 130237013 |
11 | 67573aa5 |
12 | 37748785 |
13 | 20c9c62a |
14 | 1342267b |
15 | b678b28 |
hex | 7c34255 |
130237013 has 8 divisors (see below), whose sum is σ = 134619360. Its totient is φ = 125927280.
The previous prime is 130236991. The next prime is 130237021. The reversal of 130237013 is 310732031.
It is a happy number.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 130237013 - 216 = 130171477 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 (130237073) 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 7 ways as a sum of consecutive naturals, for example, 14495 + ... + 21692.
It is an arithmetic number, because the mean of its divisors is an integer number (16827420).
Almost surely, 2130237013 is an apocalyptic number.
It is an amenable number.
130237013 is a deficient number, since it is larger than the sum of its proper divisors (4382347).
130237013 is an equidigital number, since it uses as much as digits as its factorization.
130237013 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 36307.
The product of its (nonzero) digits is 378, while the sum is 20.
The square root of 130237013 is about 11412.1432255295. The cubic root of 130237013 is about 506.8873764781.
Adding to 130237013 its reverse (310732031), we get a palindrome (440969044).
The spelling of 130237013 in words is "one hundred thirty million, two hundred thirty-seven thousand, thirteen".
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