Base | Representation |
---|---|
bin | 111111101101110001… |
… | …100000001110011011 |
3 | 20112120212102101002112 |
4 | 333231301200032123 |
5 | 2110102400433213 |
6 | 51232342422535 |
7 | 4641232512326 |
oct | 775561401633 |
9 | 215525371075 |
10 | 68413686683 |
11 | 27017819431 |
12 | 11313731a4b |
13 | 65b38c4514 |
14 | 34500857bd |
15 | 1ba6216ea8 |
hex | fedc6039b |
68413686683 has 8 divisors (see below), whose sum is σ = 70987066752. Its totient is φ = 65878430976.
The previous prime is 68413686659. The next prime is 68413686697. The reversal of 68413686683 is 38668631486.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 68413686683 - 216 = 68413621147 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (68413686283) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9527435 + ... + 9534612.
It is an arithmetic number, because the mean of its divisors is an integer number (8873383344).
Almost surely, 268413686683 is an apocalyptic number.
68413686683 is a deficient number, since it is larger than the sum of its proper divisors (2573380069).
68413686683 is a wasteful number, since it uses less digits than its factorization.
68413686683 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 19062181.
The product of its digits is 23887872, while the sum is 59.
The spelling of 68413686683 in words is "sixty-eight billion, four hundred thirteen million, six hundred eighty-six thousand, six hundred eighty-three".
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