Base | Representation |
---|---|
bin | 1000000111110… |
… | …10100111000101 |
3 | 11202012122011001 |
4 | 10003322213011 |
5 | 114420312430 |
6 | 10432213301 |
7 | 1455066244 |
oct | 403724705 |
9 | 152178131 |
10 | 68135365 |
11 | 35508121 |
12 | 1a99a231 |
13 | 11167bac |
14 | 909895b |
15 | 5ead3ca |
hex | 40fa9c5 |
68135365 has 8 divisors (see below), whose sum is σ = 84400128. Its totient is φ = 52749840.
The previous prime is 68135359. The next prime is 68135377. The reversal of 68135365 is 56353186.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 68135365 - 27 = 68135237 is a prime.
It is a Duffinian 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, 219637 + ... + 219946.
It is an arithmetic number, because the mean of its divisors is an integer number (10550016).
Almost surely, 268135365 is an apocalyptic number.
It is an amenable number.
68135365 is a deficient number, since it is larger than the sum of its proper divisors (16264763).
68135365 is a wasteful number, since it uses less digits than its factorization.
68135365 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 439619.
The product of its digits is 64800, while the sum is 37.
The square root of 68135365 is about 8254.4148793237. The cubic root of 68135365 is about 408.4361704983.
It can be divided in two parts, 681 and 35365, that added together give a triangular number (36046 = T268).
The spelling of 68135365 in words is "sixty-eight million, one hundred thirty-five thousand, three hundred sixty-five".
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