Base | Representation |
---|---|
bin | 10001000011100110… |
… | …101011101010100011 |
3 | 1202021100011210212121 |
4 | 101003212223222203 |
5 | 300001401123404 |
6 | 12225142205111 |
7 | 1215561064633 |
oct | 210346535243 |
9 | 52240153777 |
10 | 18314082979 |
11 | 7848905675 |
12 | 3671423797 |
13 | 195b31c4ba |
14 | c5a4286c3 |
15 | 722c49e54 |
hex | 4439abaa3 |
18314082979 has 2 divisors, whose sum is σ = 18314082980. Its totient is φ = 18314082978.
The previous prime is 18314082959. The next prime is 18314082989. The reversal of 18314082979 is 97928041381.
It is a strong prime.
It is an emirp because it is prime and its reverse (97928041381) is a distict prime.
It is a cyclic number.
It is not a de Polignac number, because 18314082979 - 25 = 18314082947 is a prime.
It is not a weakly prime, because it can be changed into another prime (18314082959) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 9157041489 + 9157041490.
It is an arithmetic number, because the mean of its divisors is an integer number (9157041490).
Almost surely, 218314082979 is an apocalyptic number.
18314082979 is a deficient number, since it is larger than the sum of its proper divisors (1).
18314082979 is an equidigital number, since it uses as much as digits as its factorization.
18314082979 is an odious number, because the sum of its binary digits is odd.
The product of its (nonzero) digits is 870912, while the sum is 52.
The spelling of 18314082979 in words is "eighteen billion, three hundred fourteen million, eighty-two thousand, nine hundred seventy-nine".
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