Base | Representation |
---|---|
bin | 1111100100001… |
… | …00000110100101 |
3 | 100002200100211212 |
4 | 13302010012211 |
5 | 231411031032 |
6 | 20542241205 |
7 | 3143531366 |
oct | 762040645 |
9 | 302610755 |
10 | 130564517 |
11 | 67778066 |
12 | 37886205 |
13 | 21085715 |
14 | 134a9b6d |
15 | b6e0bb2 |
hex | 7c841a5 |
130564517 has 2 divisors, whose sum is σ = 130564518. Its totient is φ = 130564516.
The previous prime is 130564501. The next prime is 130564571. The reversal of 130564517 is 715465031.
Together with next prime (130564571) it forms an Ormiston pair, because they use the same digits, order apart.
It is a weak prime.
It can be written as a sum of positive squares in only one way, i.e., 129640996 + 923521 = 11386^2 + 961^2 .
It is an emirp because it is prime and its reverse (715465031) is a distict prime.
It is a cyclic number.
It is not a de Polignac number, because 130564517 - 24 = 130564501 is a prime.
It is a Chen prime.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (130564117) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 65282258 + 65282259.
It is an arithmetic number, because the mean of its divisors is an integer number (65282259).
Almost surely, 2130564517 is an apocalyptic number.
It is an amenable number.
130564517 is a deficient number, since it is larger than the sum of its proper divisors (1).
130564517 is an equidigital number, since it uses as much as digits as its factorization.
130564517 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 12600, while the sum is 32.
The square root of 130564517 is about 11426.4831422446. The cubic root of 130564517 is about 507.3119068062.
The spelling of 130564517 in words is "one hundred thirty million, five hundred sixty-four thousand, five hundred seventeen".
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