Base | Representation |
---|---|
bin | 1000001100010… |
… | …11000100011011 |
3 | 11210022200210221 |
4 | 10012023010123 |
5 | 120043231232 |
6 | 10453020511 |
7 | 1463112313 |
oct | 406130433 |
9 | 153280727 |
10 | 68727067 |
11 | 35881732 |
12 | 1b024737 |
13 | 11314306 |
14 | 91b0443 |
15 | 6078897 |
hex | 418b11b |
68727067 has 4 divisors (see below), whose sum is σ = 68751936. Its totient is φ = 68702200.
The previous prime is 68727049. The next prime is 68727097. The reversal of 68727067 is 76072786.
It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 76072786 = 2 ⋅38036393.
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-68727067 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (68727097) 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 3 ways as a sum of consecutive naturals, for example, 7684 + ... + 14017.
It is an arithmetic number, because the mean of its divisors is an integer number (17187984).
Almost surely, 268727067 is an apocalyptic number.
68727067 is a deficient number, since it is larger than the sum of its proper divisors (24869).
68727067 is a wasteful number, since it uses less digits than its factorization.
68727067 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 24868.
The product of its (nonzero) digits is 197568, while the sum is 43.
The square root of 68727067 is about 8290.1789486114. The cubic root of 68727067 is about 409.6150799445.
The spelling of 68727067 in words is "sixty-eight million, seven hundred twenty-seven thousand, sixty-seven".
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