Base | Representation |
---|---|
bin | 1000001001001… |
… | …01010010111111 |
3 | 11202112111222200 |
4 | 10010211102333 |
5 | 114441411312 |
6 | 10440042543 |
7 | 1456425060 |
oct | 404452277 |
9 | 152474880 |
10 | 68310207 |
11 | 35617519 |
12 | 1aa63453 |
13 | 111c9654 |
14 | 9102567 |
15 | 5ee50dc |
hex | 41254bf |
68310207 has 24 divisors (see below), whose sum is σ = 117671424. Its totient is φ = 37336464.
The previous prime is 68310127. The next prime is 68310211. The reversal of 68310207 is 70201386.
It is not a de Polignac number, because 68310207 - 210 = 68309183 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (68310247) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 22123 + ... + 25020.
It is an arithmetic number, because the mean of its divisors is an integer number (4902976).
Almost surely, 268310207 is an apocalyptic number.
68310207 is a deficient number, since it is larger than the sum of its proper divisors (49361217).
68310207 is a wasteful number, since it uses less digits than its factorization.
68310207 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 47179 (or 47176 counting only the distinct ones).
The product of its (nonzero) digits is 2016, while the sum is 27.
The square root of 68310207 is about 8264.9989110707. The cubic root of 68310207 is about 408.7852344567.
The spelling of 68310207 in words is "sixty-eight million, three hundred ten thousand, two hundred seven".
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