Base | Representation |
---|---|
bin | 11110110110111111000111… |
… | …11010110001100010101000 |
3 | 22220021100112220221001122001 |
4 | 33123133203322301202220 |
5 | 32343304301102113213 |
6 | 400154243104540344 |
7 | 20202503235010162 |
oct | 1733374372614250 |
9 | 286240486831561 |
10 | 67860012144808 |
11 | 1a6932a6826834 |
12 | 773b8849216b4 |
13 | 2bb3230273530 |
14 | 12a8629229932 |
15 | 7ca2dbde51dd |
hex | 3db7e3eb18a8 |
67860012144808 has 64 divisors (see below), whose sum is σ = 137181008684160. Its totient is φ = 31284372531456.
The previous prime is 67860012144797. The next prime is 67860012144817. The reversal of 67860012144808 is 80844121006876.
It is a super-2 number, since 2×678600121448082 (a number of 28 digits) contains 22 as substring.
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 323844966 + ... + 324054442.
It is an arithmetic number, because the mean of its divisors is an integer number (2143453260690).
Almost surely, 267860012144808 is an apocalyptic number.
It is an amenable number.
67860012144808 is an abundant number, since it is smaller than the sum of its proper divisors (69320996539352).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
67860012144808 is a wasteful number, since it uses less digits than its factorization.
67860012144808 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 213026 (or 213022 counting only the distinct ones).
The product of its (nonzero) digits is 4128768, while the sum is 55.
The spelling of 67860012144808 in words is "sixty-seven trillion, eight hundred sixty billion, twelve million, one hundred forty-four thousand, eight hundred eight".
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