Base | Representation |
---|---|
bin | 111110011011001100… |
… | …000000101010100000 |
3 | 20102000022020121122211 |
4 | 332123030000222200 |
5 | 2044233200020433 |
6 | 50443045211504 |
7 | 4562006450020 |
oct | 763314005240 |
9 | 212008217584 |
10 | 67028126368 |
11 | 264766a2465 |
12 | 10ba7700b94 |
13 | 6422830348 |
14 | 335c051a80 |
15 | 1b247758cd |
hex | f9b300aa0 |
67028126368 has 24 divisors (see below), whose sum is σ = 150813284832. Its totient is φ = 28726339776.
The previous prime is 67028126357. The next prime is 67028126377. The reversal of 67028126368 is 86362182076.
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, 149616130 + ... + 149616577.
It is an arithmetic number, because the mean of its divisors is an integer number (6283886868).
Almost surely, 267028126368 is an apocalyptic number.
It is an amenable number.
67028126368 is an abundant number, since it is smaller than the sum of its proper divisors (83785158464).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
67028126368 is a wasteful number, since it uses less digits than its factorization.
67028126368 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 299232724 (or 299232716 counting only the distinct ones).
The product of its (nonzero) digits is 1161216, while the sum is 49.
The spelling of 67028126368 in words is "sixty-seven billion, twenty-eight million, one hundred twenty-six thousand, three hundred sixty-eight".
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