Base | Representation |
---|---|
bin | 1000001100101… |
… | …00010111101101 |
3 | 11210101122001222 |
4 | 10012110113231 |
5 | 120100441130 |
6 | 10453513125 |
7 | 1463331350 |
oct | 406242755 |
9 | 153348058 |
10 | 68765165 |
11 | 358a8317 |
12 | 1b0427a5 |
13 | 11328761 |
14 | 91c0297 |
15 | 6084ce5 |
hex | 41945ed |
68765165 has 8 divisors (see below), whose sum is σ = 94306560. Its totient is φ = 47153232.
The previous prime is 68765141. The next prime is 68765189. The reversal of 68765165 is 56156786.
It is an interprime number because it is at equal distance from previous prime (68765141) and next prime (68765189).
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 68765165 - 226 = 1656301 is a prime.
It is a Curzon number.
It is a congruent number.
It is an unprimeable number.
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 7 ways as a sum of consecutive naturals, for example, 982325 + ... + 982394.
It is an arithmetic number, because the mean of its divisors is an integer number (11788320).
Almost surely, 268765165 is an apocalyptic number.
It is an amenable number.
68765165 is a deficient number, since it is larger than the sum of its proper divisors (25541395).
68765165 is a wasteful number, since it uses less digits than its factorization.
68765165 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1964731.
The product of its digits is 302400, while the sum is 44.
The square root of 68765165 is about 8292.4764093725. The cubic root of 68765165 is about 409.6907543151.
The spelling of 68765165 in words is "sixty-eight million, seven hundred sixty-five thousand, one hundred sixty-five".
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