Base | Representation |
---|---|
bin | 10001101000101011… |
… | …011110010110101101 |
3 | 1210212200121100120022 |
4 | 101220223132112231 |
5 | 302240120034143 |
6 | 12411002131525 |
7 | 1240153106321 |
oct | 215053362655 |
9 | 53780540508 |
10 | 18936096173 |
11 | 8037a29365 |
12 | 38057b0ba5 |
13 | 1a2a154947 |
14 | cb8ca1981 |
15 | 75c665268 |
hex | 468ade5ad |
18936096173 has 2 divisors, whose sum is σ = 18936096174. Its totient is φ = 18936096172.
The previous prime is 18936096143. The next prime is 18936096209. The reversal of 18936096173 is 37169063981.
It is a happy number.
It is a weak prime.
It can be written as a sum of positive squares in only one way, i.e., 16407816649 + 2528279524 = 128093^2 + 50282^2 .
It is a cyclic number.
It is not a de Polignac number, because 18936096173 - 222 = 18931901869 is a prime.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (18936096143) 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, 9468048086 + 9468048087.
It is an arithmetic number, because the mean of its divisors is an integer number (9468048087).
Almost surely, 218936096173 is an apocalyptic number.
It is an amenable number.
18936096173 is a deficient number, since it is larger than the sum of its proper divisors (1).
18936096173 is an equidigital number, since it uses as much as digits as its factorization.
18936096173 is an odious number, because the sum of its binary digits is odd.
The product of its (nonzero) digits is 1469664, while the sum is 53.
The spelling of 18936096173 in words is "eighteen billion, nine hundred thirty-six million, ninety-six thousand, one hundred seventy-three".
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