Base | Representation |
---|---|
bin | 1000001011110… |
… | …11001011111011 |
3 | 11210012101120110 |
4 | 10011323023323 |
5 | 120034141021 |
6 | 10451355403 |
7 | 1462421535 |
oct | 405731373 |
9 | 153171513 |
10 | 68662011 |
11 | 35837870 |
12 | 1abb2b63 |
13 | 112c0812 |
14 | 9194855 |
15 | 6064476 |
hex | 417b2fb |
68662011 has 8 divisors (see below), whose sum is σ = 99872064. Its totient is φ = 41613320.
The previous prime is 68661961. The next prime is 68662037. The reversal of 68662011 is 11026686.
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 68662011 - 29 = 68661499 is a prime.
It is a self number, because there is not a number n which added to its sum of digits gives 68662011.
It is not an unprimeable number, because it can be changed into a prime (68662051) 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, 1040301 + ... + 1040366.
It is an arithmetic number, because the mean of its divisors is an integer number (12484008).
Almost surely, 268662011 is an apocalyptic number.
68662011 is a deficient number, since it is larger than the sum of its proper divisors (31210053).
68662011 is a wasteful number, since it uses less digits than its factorization.
68662011 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2080681.
The product of its (nonzero) digits is 3456, while the sum is 30.
The square root of 68662011 is about 8286.2543407742. The cubic root of 68662011 is about 409.4857940003.
Adding to 68662011 its reverse (11026686), we get a palindrome (79688697).
The spelling of 68662011 in words is "sixty-eight million, six hundred sixty-two thousand, eleven".
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