Base | Representation |
---|---|
bin | 1000001000011… |
… | …01000100101010 |
3 | 11202100110212211 |
4 | 10010031010222 |
5 | 114430222421 |
6 | 10433555334 |
7 | 1455532564 |
oct | 404150452 |
9 | 152313784 |
10 | 68210986 |
11 | 35559a18 |
12 | 1aa15b4a |
13 | 1119343c |
14 | 90b8334 |
15 | 5ec59e1 |
hex | 410d12a |
68210986 has 16 divisors (see below), whose sum is σ = 105092064. Its totient is φ = 33186384.
The previous prime is 68210963. The next prime is 68211019. The reversal of 68210986 is 68901286.
It is a super-2 number, since 2×682109862 = 9305477222184392, which contains 22 as substring.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 23845 + ... + 26551.
It is an arithmetic number, because the mean of its divisors is an integer number (6568254).
Almost surely, 268210986 is an apocalyptic number.
68210986 is a deficient number, since it is larger than the sum of its proper divisors (36881078).
68210986 is a wasteful number, since it uses less digits than its factorization.
68210986 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 3045.
The product of its (nonzero) digits is 41472, while the sum is 40.
The square root of 68210986 is about 8258.9942486964. The cubic root of 68210986 is about 408.5872175214.
It can be divided in two parts, 68210 and 986, that added together give a palindrome (69196).
The spelling of 68210986 in words is "sixty-eight million, two hundred ten thousand, nine hundred eighty-six".
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