Base | Representation |
---|---|
bin | 111111011101110111… |
… | …110100011001100111 |
3 | 20111220021102112210102 |
4 | 333131313310121213 |
5 | 2104031102003402 |
6 | 51150052414315 |
7 | 4631513102234 |
oct | 773567643147 |
9 | 214807375712 |
10 | 68146906727 |
11 | 269a0174729 |
12 | 1125a31739b |
13 | 6570558263 |
14 | 342687c78b |
15 | 1b8cabb102 |
hex | fdddf4667 |
68146906727 has 8 divisors (see below), whose sum is σ = 69046311600. Its totient is φ = 67249367680.
The previous prime is 68146906721. The next prime is 68146906813. The reversal of 68146906727 is 72760964186.
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 68146906727 - 210 = 68146905703 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (68146906721) 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, 392852 + ... + 539097.
It is an arithmetic number, because the mean of its divisors is an integer number (8630788950).
Almost surely, 268146906727 is an apocalyptic number.
68146906727 is a deficient number, since it is larger than the sum of its proper divisors (899404873).
68146906727 is an equidigital number, since it uses as much as digits as its factorization.
68146906727 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 932913.
The product of its (nonzero) digits is 6096384, while the sum is 56.
The spelling of 68146906727 in words is "sixty-eight billion, one hundred forty-six million, nine hundred six thousand, seven hundred twenty-seven".
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