Base | Representation |
---|---|
bin | 1111100000110… |
… | …10010001011101 |
3 | 100001212100020001 |
4 | 13300122101131 |
5 | 231303143122 |
6 | 20525054301 |
7 | 3140044531 |
oct | 760322135 |
9 | 301770201 |
10 | 130131037 |
11 | 67501413 |
12 | 376b7391 |
13 | 20c6331a |
14 | 133d5bc1 |
15 | b657527 |
hex | 7c1a45d |
130131037 has 2 divisors, whose sum is σ = 130131038. Its totient is φ = 130131036.
The previous prime is 130131017. The next prime is 130131047. The reversal of 130131037 is 730131031.
It is a happy number.
It is a strong prime.
It can be written as a sum of positive squares in only one way, i.e., 123520996 + 6610041 = 11114^2 + 2571^2 .
It is a cyclic number.
It is not a de Polignac number, because 130131037 - 211 = 130128989 is a prime.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (130131017) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 65065518 + 65065519.
It is an arithmetic number, because the mean of its divisors is an integer number (65065519).
Almost surely, 2130131037 is an apocalyptic number.
It is an amenable number.
130131037 is a deficient number, since it is larger than the sum of its proper divisors (1).
130131037 is an equidigital number, since it uses as much as digits as its factorization.
130131037 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 189, while the sum is 19.
The square root of 130131037 is about 11407.4991562568. The cubic root of 130131037 is about 506.7498516370.
Adding to 130131037 its reverse (730131031), we get a palindrome (860262068).
The spelling of 130131037 in words is "one hundred thirty million, one hundred thirty-one thousand, thirty-seven".
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