Base | Representation |
---|---|
bin | 1111100110010… |
… | …11111111001101 |
3 | 100010020022202001 |
4 | 13303023333031 |
5 | 231444441312 |
6 | 20552432301 |
7 | 3146165665 |
oct | 763137715 |
9 | 303208661 |
10 | 130858957 |
11 | 679592a9 |
12 | 379a8691 |
13 | 21159748 |
14 | 135451a5 |
15 | b74d057 |
hex | 7ccbfcd |
130858957 has 2 divisors, whose sum is σ = 130858958. Its totient is φ = 130858956.
The previous prime is 130858943. The next prime is 130858963. The reversal of 130858957 is 759858031.
It is a strong prime.
It can be written as a sum of positive squares in only one way, i.e., 128459556 + 2399401 = 11334^2 + 1549^2 .
It is a cyclic number.
It is not a de Polignac number, because 130858957 - 27 = 130858829 is a prime.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (130858907) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 65429478 + 65429479.
It is an arithmetic number, because the mean of its divisors is an integer number (65429479).
Almost surely, 2130858957 is an apocalyptic number.
It is an amenable number.
130858957 is a deficient number, since it is larger than the sum of its proper divisors (1).
130858957 is an equidigital number, since it uses as much as digits as its factorization.
130858957 is an odious number, because the sum of its binary digits is odd.
The product of its (nonzero) digits is 302400, while the sum is 46.
The square root of 130858957 is about 11439.3599908386. The cubic root of 130858957 is about 507.6929719853.
The spelling of 130858957 in words is "one hundred thirty million, eight hundred fifty-eight thousand, nine hundred fifty-seven".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.082 sec. • engine limits •