Base | Representation |
---|---|
bin | 10001101010101000… |
… | …100110100111010110 |
3 | 1210221222022212020000 |
4 | 101222220212213112 |
5 | 302322014214011 |
6 | 12414133152130 |
7 | 1241031654432 |
oct | 215250464726 |
9 | 53858285200 |
10 | 18968898006 |
11 | 80544a2913 |
12 | 381478b646 |
13 | 1a33b9b006 |
14 | cbd39d9c2 |
15 | 760494356 |
hex | 46aa269d6 |
18968898006 has 20 divisors (see below), whose sum is σ = 42504382932. Its totient is φ = 6322965948.
The previous prime is 18968897917. The next prime is 18968898041. The reversal of 18968898006 is 60089886981.
It is a congruent number.
It is an unprimeable number.
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 in 9 ways as a sum of consecutive naturals, for example, 58545820 + ... + 58546143.
Almost surely, 218968898006 is an apocalyptic number.
18968898006 is an abundant number, since it is smaller than the sum of its proper divisors (23535484926).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
18968898006 is a wasteful number, since it uses less digits than its factorization.
18968898006 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 117091977 (or 117091968 counting only the distinct ones).
The product of its (nonzero) digits is 11943936, while the sum is 63.
The spelling of 18968898006 in words is "eighteen billion, nine hundred sixty-eight million, eight hundred ninety-eight thousand, six".
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