Base | Representation |
---|---|
bin | 10001001101001000… |
… | …111111010010001011 |
3 | 1202200111020001102111 |
4 | 101031020333102023 |
5 | 300313330234204 |
6 | 12253055243151 |
7 | 1222543004554 |
oct | 211510772213 |
9 | 52614201374 |
10 | 18474071179 |
11 | 792014a123 |
12 | 36b6b194b7 |
13 | 1985507785 |
14 | c7379332b |
15 | 731cedd04 |
hex | 44d23f48b |
18474071179 has 2 divisors, whose sum is σ = 18474071180. Its totient is φ = 18474071178.
The previous prime is 18474071117. The next prime is 18474071183. The reversal of 18474071179 is 97117047481.
It is a strong prime.
It is a cyclic number.
It is not a de Polignac number, because 18474071179 - 215 = 18474038411 is a prime.
It is not a weakly prime, because it can be changed into another prime (18474077179) 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, 9237035589 + 9237035590.
It is an arithmetic number, because the mean of its divisors is an integer number (9237035590).
Almost surely, 218474071179 is an apocalyptic number.
18474071179 is a deficient number, since it is larger than the sum of its proper divisors (1).
18474071179 is an equidigital number, since it uses as much as digits as its factorization.
18474071179 is an odious number, because the sum of its binary digits is odd.
The product of its (nonzero) digits is 395136, while the sum is 49.
The spelling of 18474071179 in words is "eighteen billion, four hundred seventy-four million, seventy-one thousand, one hundred seventy-nine".
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