Base | Representation |
---|---|
bin | 111111100101111110… |
… | …010100010111111110 |
3 | 20112020202012002010020 |
4 | 333211332110113332 |
5 | 2104320401001121 |
6 | 51211345553010 |
7 | 4635053315061 |
oct | 774576242776 |
9 | 215222162106 |
10 | 68282828286 |
11 | 26a5a9705a2 |
12 | 11297945766 |
13 | 659276810a |
14 | 343a9408d8 |
15 | 1b999b91c6 |
hex | fe5f945fe |
68282828286 has 32 divisors (see below), whose sum is σ = 144617034528. Its totient is φ = 21419381760.
The previous prime is 68282828239. The next prime is 68282828287.
68282828286 is nontrivially palindromic in base 10.
It is a Curzon number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (68282828287) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 874546 + ... + 949418.
It is an arithmetic number, because the mean of its divisors is an integer number (4519282329).
Almost surely, 268282828286 is an apocalyptic number.
68282828286 is an abundant number, since it is smaller than the sum of its proper divisors (76334206242).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
68282828286 is a wasteful number, since it uses less digits than its factorization.
68282828286 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 83836.
The product of its digits is 18874368, while the sum is 60.
The spelling of 68282828286 in words is "sixty-eight billion, two hundred eighty-two million, eight hundred twenty-eight thousand, two hundred eighty-six".
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