Base | Representation |
---|---|
bin | 1000001000000… |
… | …11011000101110 |
3 | 11202021110110100 |
4 | 10010003120232 |
5 | 114422440220 |
6 | 10433051530 |
7 | 1455306114 |
oct | 404033056 |
9 | 152243410 |
10 | 68171310 |
11 | 35532129 |
12 | 1a9b6ba6 |
13 | 1117b36c |
14 | 90a7ab4 |
15 | 5eb8d90 |
hex | 410362e |
68171310 has 48 divisors (see below), whose sum is σ = 184957344. Its totient is φ = 17388096.
The previous prime is 68171293. The next prime is 68171329. The reversal of 68171310 is 1317186.
It is a super-2 number, since 2×681713102 = 9294655014232200, which contains 22 as substring.
It is a Curzon number.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 14397 + ... + 18536.
It is an arithmetic number, because the mean of its divisors is an integer number (3853278).
Almost surely, 268171310 is an apocalyptic number.
68171310 is an abundant number, since it is smaller than the sum of its proper divisors (116786034).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
68171310 is a wasteful number, since it uses less digits than its factorization.
68171310 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 32969 (or 32966 counting only the distinct ones).
The product of its (nonzero) digits is 1008, while the sum is 27.
The square root of 68171310 is about 8256.5919119210. The cubic root of 68171310 is about 408.5079817484.
Adding to 68171310 its reverse (1317186), we get a palindrome (69488496).
The spelling of 68171310 in words is "sixty-eight million, one hundred seventy-one thousand, three hundred ten".
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