Base | Representation |
---|---|
bin | 1000001011111… |
… | …10011111101110 |
3 | 11210020002011111 |
4 | 10011332133232 |
5 | 120040104231 |
6 | 10451542234 |
7 | 1462506211 |
oct | 405763756 |
9 | 153202144 |
10 | 68675566 |
11 | 35846a73 |
12 | 1abba97a |
13 | 112c6a3b |
14 | 9199778 |
15 | 60684b1 |
hex | 417e7ee |
68675566 has 8 divisors (see below), whose sum is σ = 103106304. Its totient is φ = 34306800.
The previous prime is 68675561. The next prime is 68675627. The reversal of 68675566 is 66557686.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (68675561) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12615 + ... + 17218.
It is an arithmetic number, because the mean of its divisors is an integer number (12888288).
Almost surely, 268675566 is an apocalyptic number.
68675566 is a deficient number, since it is larger than the sum of its proper divisors (34430738).
68675566 is a wasteful number, since it uses less digits than its factorization.
68675566 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 30986.
The product of its digits is 1814400, while the sum is 49.
The square root of 68675566 is about 8287.0722212371. The cubic root of 68675566 is about 409.5127386171.
The spelling of 68675566 in words is "sixty-eight million, six hundred seventy-five thousand, five hundred sixty-six".
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