Base | Representation |
---|---|
bin | 1000000111010… |
… | …01101000101001 |
3 | 11202002002202210 |
4 | 10003221220221 |
5 | 114411101313 |
6 | 10430515333 |
7 | 1454356443 |
oct | 403515051 |
9 | 152062683 |
10 | 68065833 |
11 | 3546a960 |
12 | 1a965b49 |
13 | 11142354 |
14 | 907b493 |
15 | 5e979c3 |
hex | 40e9a29 |
68065833 has 16 divisors (see below), whose sum is σ = 100875456. Its totient is φ = 40472640.
The previous prime is 68065831. The next prime is 68065843. The reversal of 68065833 is 33856086.
It is not a de Polignac number, because 68065833 - 21 = 68065831 is a prime.
It is a junction number, because it is equal to n+sod(n) for n = 68065791 and 68065800.
It is not an unprimeable number, because it can be changed into a prime (68065831) 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 15 ways as a sum of consecutive naturals, for example, 17710 + ... + 21207.
It is an arithmetic number, because the mean of its divisors is an integer number (6304716).
Almost surely, 268065833 is an apocalyptic number.
It is an amenable number.
68065833 is a deficient number, since it is larger than the sum of its proper divisors (32809623).
68065833 is a wasteful number, since it uses less digits than its factorization.
68065833 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 38984.
The product of its (nonzero) digits is 103680, while the sum is 39.
The square root of 68065833 is about 8250.2019975271. The cubic root of 68065833 is about 408.2971871192.
The spelling of 68065833 in words is "sixty-eight million, sixty-five thousand, eight hundred thirty-three".
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