Base | Representation |
---|---|
bin | 10000111001101111… |
… | …001001000000100011 |
3 | 1201211210122202100202 |
4 | 100321233021000203 |
5 | 244132010400123 |
6 | 12200505535415 |
7 | 1211510641553 |
oct | 207157110043 |
9 | 51753582322 |
10 | 18148528163 |
11 | 7773409907 |
12 | 3625aa456b |
13 | 1932c3557c |
14 | c42451163 |
15 | 713446a28 |
hex | 439bc9023 |
18148528163 has 2 divisors, whose sum is σ = 18148528164. Its totient is φ = 18148528162.
The previous prime is 18148528141. The next prime is 18148528169. The reversal of 18148528163 is 36182584181.
It is a strong prime.
It is an emirp because it is prime and its reverse (36182584181) is a distict prime.
It is a cyclic number.
It is not a de Polignac number, because 18148528163 - 212 = 18148524067 is a prime.
It is not a weakly prime, because it can be changed into another prime (18148528169) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 9074264081 + 9074264082.
It is an arithmetic number, because the mean of its divisors is an integer number (9074264082).
Almost surely, 218148528163 is an apocalyptic number.
18148528163 is a deficient number, since it is larger than the sum of its proper divisors (1).
18148528163 is an equidigital number, since it uses as much as digits as its factorization.
18148528163 is an odious number, because the sum of its binary digits is odd.
The product of its digits is 368640, while the sum is 47.
The spelling of 18148528163 in words is "eighteen billion, one hundred forty-eight million, five hundred twenty-eight thousand, one hundred sixty-three".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.075 sec. • engine limits •