Base | Representation |
---|---|
bin | 111111011001000111… |
… | …011101100010101110 |
3 | 20111200201022000210120 |
4 | 333121013131202232 |
5 | 2103400140340301 |
6 | 51134122345410 |
7 | 4626523661601 |
oct | 773107354256 |
9 | 214621260716 |
10 | 68067121326 |
11 | 2695a12a786 |
12 | 1123765b266 |
13 | 6559b71769 |
14 | 341a030338 |
15 | 1b85aaae36 |
hex | fd91dd8ae |
68067121326 has 32 divisors (see below), whose sum is σ = 137343862656. Its totient is φ = 22487868000.
The previous prime is 68067121307. The next prime is 68067121361. The reversal of 68067121326 is 62312176086.
It is a Curzon number.
It is a congruent number.
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, 584056 + ... + 690836.
It is an arithmetic number, because the mean of its divisors is an integer number (4291995708).
Almost surely, 268067121326 is an apocalyptic number.
68067121326 is an abundant number, since it is smaller than the sum of its proper divisors (69276741330).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
68067121326 is a wasteful number, since it uses less digits than its factorization.
68067121326 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 107728.
The product of its (nonzero) digits is 145152, while the sum is 42.
The spelling of 68067121326 in words is "sixty-eight billion, sixty-seven million, one hundred twenty-one thousand, three hundred twenty-six".
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