Base | Representation |
---|---|
bin | 100000000100011000… |
… | …1100010010100010010 |
3 | 20120202102210211012211 |
4 | 1000020301202110102 |
5 | 2112014332230312 |
6 | 51345323542334 |
7 | 4655403056644 |
oct | 1001061422422 |
9 | 216672724184 |
10 | 68866680082 |
11 | 2722a49a042 |
12 | 1141b38a9aa |
13 | 66566cb855 |
14 | 34942c2894 |
15 | 1bd0d973a7 |
hex | 1008c62512 |
68866680082 has 16 divisors (see below), whose sum is σ = 103402933920. Its totient is φ = 34399056672.
The previous prime is 68866680073. The next prime is 68866680083. The reversal of 68866680082 is 28008666886.
It is a happy number.
It is a junction number, because it is equal to n+sod(n) for n = 68866679999 and 68866680026.
It is not an unprimeable number, because it can be changed into a prime (68866680083) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12376633 + ... + 12382195.
It is an arithmetic number, because the mean of its divisors is an integer number (6462683370).
Almost surely, 268866680082 is an apocalyptic number.
68866680082 is a deficient number, since it is larger than the sum of its proper divisors (34536253838).
68866680082 is a wasteful number, since it uses less digits than its factorization.
68866680082 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 10617.
The product of its (nonzero) digits is 10616832, while the sum is 58.
The spelling of 68866680082 in words is "sixty-eight billion, eight hundred sixty-six million, six hundred eighty thousand, eighty-two".
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