Base | Representation |
---|---|
bin | 111111011111000110… |
… | …001000011100110000 |
3 | 20111221201001112202211 |
4 | 333133012020130300 |
5 | 2104101330423310 |
6 | 51152104421504 |
7 | 4632152434462 |
oct | 773706103460 |
9 | 214851045684 |
10 | 68167436080 |
11 | 26a00816737 |
12 | 11265177894 |
13 | 65748955c3 |
14 | 34294a4132 |
15 | 1b8e7c3c8a |
hex | fdf188730 |
68167436080 has 40 divisors (see below), whose sum is σ = 159438357792. Its totient is φ = 27103693824.
The previous prime is 68167436053. The next prime is 68167436083. The reversal of 68167436080 is 8063476186.
It is a tau number, because it is divible by the number of its divisors (40).
It is not an unprimeable number, because it can be changed into a prime (68167436083) 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 7 ways as a sum of consecutive naturals, for example, 2537817 + ... + 2564536.
Almost surely, 268167436080 is an apocalyptic number.
It is an amenable number.
68167436080 is an abundant number, since it is smaller than the sum of its proper divisors (91270921712).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
68167436080 is a wasteful number, since it uses less digits than its factorization.
68167436080 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 5102533 (or 5102527 counting only the distinct ones).
The product of its (nonzero) digits is 1161216, while the sum is 49.
The spelling of 68167436080 in words is "sixty-eight billion, one hundred sixty-seven million, four hundred thirty-six thousand, eighty".
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