Base | Representation |
---|---|
bin | 111111011100101110… |
… | …110011100000000010 |
3 | 20111211221102010101020 |
4 | 333130232303200002 |
5 | 2104011202012110 |
6 | 51144130250310 |
7 | 4631161314015 |
oct | 773456634002 |
9 | 214757363336 |
10 | 68127766530 |
11 | 2699039138a |
12 | 11253a26996 |
13 | 65695b62b5 |
14 | 34240d937c |
15 | 1b8b089d70 |
hex | fdcbb3802 |
68127766530 has 32 divisors (see below), whose sum is σ = 164022456384. Its totient is φ = 18110091456.
The previous prime is 68127766517. The next prime is 68127766571. The reversal of 68127766530 is 3566772186.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3572392 + ... + 3591411.
It is an arithmetic number, because the mean of its divisors is an integer number (5125701762).
Almost surely, 268127766530 is an apocalyptic number.
68127766530 is an abundant number, since it is smaller than the sum of its proper divisors (95894689854).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
68127766530 is a wasteful number, since it uses less digits than its factorization.
68127766530 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 7164130.
The product of its (nonzero) digits is 2540160, while the sum is 51.
The spelling of 68127766530 in words is "sixty-eight billion, one hundred twenty-seven million, seven hundred sixty-six thousand, five hundred thirty".
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