Base | Representation |
---|---|
bin | 1111100110100… |
… | …10110011111111 |
3 | 100010021202002101 |
4 | 13303102303333 |
5 | 232001340121 |
6 | 20553205531 |
7 | 3146343331 |
oct | 763226377 |
9 | 303252071 |
10 | 130886911 |
11 | 67978301 |
12 | 37a008a7 |
13 | 2116939c |
14 | 13551451 |
15 | b756491 |
hex | 7cd2cff |
130886911 has 2 divisors, whose sum is σ = 130886912. Its totient is φ = 130886910.
The previous prime is 130886857. The next prime is 130886939. The reversal of 130886911 is 119688031.
It is a strong prime.
It is an emirp because it is prime and its reverse (119688031) is a distict prime.
It is a cyclic number.
It is not a de Polignac number, because 130886911 - 213 = 130878719 is a prime.
It is a super-2 number, since 2×1308869112 = 34262766942243842, which contains 22 as substring.
It is a Chen prime.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (130886971) 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, 65443455 + 65443456.
It is an arithmetic number, because the mean of its divisors is an integer number (65443456).
Almost surely, 2130886911 is an apocalyptic number.
130886911 is a deficient number, since it is larger than the sum of its proper divisors (1).
130886911 is an equidigital number, since it uses as much as digits as its factorization.
130886911 is an odious number, because the sum of its binary digits is odd.
The product of its (nonzero) digits is 10368, while the sum is 37.
The square root of 130886911 is about 11440.5817596834. The cubic root of 130886911 is about 507.7291204188.
The spelling of 130886911 in words is "one hundred thirty million, eight hundred eighty-six thousand, nine hundred eleven".
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