Base | Representation |
---|---|
bin | 111111110111110011… |
… | …100100010110000101 |
3 | 20120000121010120120021 |
4 | 333313303210112011 |
5 | 2110423443000010 |
6 | 51301154135141 |
7 | 4645345244611 |
oct | 776763442605 |
9 | 216017116507 |
10 | 68582000005 |
11 | 270a3829752 |
12 | 1135bb814b1 |
13 | 660c735bbc |
14 | 346857a341 |
15 | 1bb5db28da |
hex | ff7ce4585 |
68582000005 has 4 divisors (see below), whose sum is σ = 82298400012. Its totient is φ = 54865600000.
The previous prime is 68581999957. The next prime is 68582000027. The reversal of 68582000005 is 50000028586.
It is a semiprime because it is the product of two primes.
It can be written as a sum of positive squares in 2 ways, for example, as 46919458881 + 21662541124 = 216609^2 + 147182^2 .
It is a de Polignac number, because none of the positive numbers 2k-68582000005 is a prime.
It is a Duffinian number.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6858199996 + ... + 6858200005.
It is an arithmetic number, because the mean of its divisors is an integer number (20574600003).
Almost surely, 268582000005 is an apocalyptic number.
It is an amenable number.
68582000005 is a deficient number, since it is larger than the sum of its proper divisors (13716400007).
68582000005 is a wasteful number, since it uses less digits than its factorization.
68582000005 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 13716400006.
The product of its (nonzero) digits is 19200, while the sum is 34.
The spelling of 68582000005 in words is "sixty-eight billion, five hundred eighty-two million, five", and thus it is an aban number.
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