Base | Representation |
---|---|
bin | 1000001011010… |
… | …00111001100001 |
3 | 11210001120211011 |
4 | 10011220321201 |
5 | 120024241410 |
6 | 10450020521 |
7 | 1461660256 |
oct | 405507141 |
9 | 153046734 |
10 | 68587105 |
11 | 35796564 |
12 | 1ab77741 |
13 | 112956b2 |
14 | 917542d |
15 | 604c18a |
hex | 4168e61 |
68587105 has 8 divisors (see below), whose sum is σ = 82348992. Its totient is φ = 54840048.
The previous prime is 68587091. The next prime is 68587121. The reversal of 68587105 is 50178586.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-68587105 is a prime.
It is a Duffinian number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 16134 + ... + 19936.
It is an arithmetic number, because the mean of its divisors is an integer number (10293624).
Almost surely, 268587105 is an apocalyptic number.
It is an amenable number.
68587105 is a deficient number, since it is larger than the sum of its proper divisors (13761887).
68587105 is a wasteful number, since it uses less digits than its factorization.
68587105 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 7415.
The product of its (nonzero) digits is 67200, while the sum is 40.
The square root of 68587105 is about 8281.7332123173. The cubic root of 68587105 is about 409.3368319406.
The spelling of 68587105 in words is "sixty-eight million, five hundred eighty-seven thousand, one hundred five".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.070 sec. • engine limits •