Base | Representation |
---|---|
bin | 1000001100111… |
… | …10000000000011 |
3 | 11210110122011221 |
4 | 10012132000003 |
5 | 120103221421 |
6 | 10454415511 |
7 | 1463554351 |
oct | 406360003 |
9 | 153418157 |
10 | 68804611 |
11 | 35924a17 |
12 | 1b061597 |
13 | 113406b5 |
14 | 91d07d1 |
15 | 6091841 |
hex | 419e003 |
68804611 has 4 divisors (see below), whose sum is σ = 68880400. Its totient is φ = 68728824.
The previous prime is 68804597. The next prime is 68804621. The reversal of 68804611 is 11640886.
It is a semiprime because it is the product of two primes.
It is a cyclic number.
It is not a de Polignac number, because 68804611 - 211 = 68802563 is a prime.
It is a super-2 number, since 2×688046112 = 9468148989722642, which contains 22 as substring.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (68804621) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 36516 + ... + 38353.
It is an arithmetic number, because the mean of its divisors is an integer number (17220100).
Almost surely, 268804611 is an apocalyptic number.
68804611 is a deficient number, since it is larger than the sum of its proper divisors (75789).
68804611 is an equidigital number, since it uses as much as digits as its factorization.
68804611 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 75788.
The product of its (nonzero) digits is 9216, while the sum is 34.
The square root of 68804611 is about 8294.8544893808. The cubic root of 68804611 is about 409.7690767835.
The spelling of 68804611 in words is "sixty-eight million, eight hundred four thousand, six hundred eleven".
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