Base | Representation |
---|---|
bin | 11011111011110… |
… | …100111001110010 |
3 | 1012122212210122202 |
4 | 123323310321302 |
5 | 1424434334033 |
6 | 114301103202 |
7 | 14420420030 |
oct | 3373647162 |
9 | 1178783582 |
10 | 468668018 |
11 | 220607245 |
12 | 110b57b02 |
13 | 76134a70 |
14 | 4635b550 |
15 | 2b2298e8 |
hex | 1bef4e72 |
468668018 has 32 divisors (see below), whose sum is σ = 877443840. Its totient is φ = 182790720.
The previous prime is 468668017. The next prime is 468668047. The reversal of 468668018 is 810866864.
It is a super-2 number, since 2×4686680182 = 439299422192096648, which contains 22 as substring.
It is a Smith number, since the sum of its digits (47) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.
It is not an unprimeable number, because it can be changed into a prime (468668017) 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 in 15 ways as a sum of consecutive naturals, for example, 5213 + ... + 31056.
It is an arithmetic number, because the mean of its divisors is an integer number (27420120).
Almost surely, 2468668018 is an apocalyptic number.
468668018 is a deficient number, since it is larger than the sum of its proper divisors (408775822).
468668018 is a wasteful number, since it uses less digits than its factorization.
468668018 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 36362.
The product of its (nonzero) digits is 442368, while the sum is 47.
The square root of 468668018 is about 21648.7417186311. The cubic root of 468668018 is about 776.7628372462.
The spelling of 468668018 in words is "four hundred sixty-eight million, six hundred sixty-eight thousand, eighteen".
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