Base | Representation |
---|---|
bin | 11010001000110011… |
… | …110100100010011111 |
3 | 2200102220102021102111 |
4 | 122020303310202133 |
5 | 424434130332240 |
6 | 20520512134451 |
7 | 2012323216636 |
oct | 321063644237 |
9 | 80386367374 |
10 | 28065089695 |
11 | 109a2014305 |
12 | 5532b37427 |
13 | 285355a566 |
14 | 150349451d |
15 | ae3d221ea |
hex | 688cf489f |
28065089695 has 8 divisors (see below), whose sum is σ = 33679874736. Its totient is φ = 22450893696.
The previous prime is 28065089623. The next prime is 28065089707. The reversal of 28065089695 is 59698056082.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 28065089695 - 219 = 28064565407 is a prime.
It is a Duffinian number.
It is a congruent number.
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, 34602 + ... + 239431.
It is an arithmetic number, because the mean of its divisors is an integer number (4209984342).
Almost surely, 228065089695 is an apocalyptic number.
28065089695 is a deficient number, since it is larger than the sum of its proper divisors (5614785041).
28065089695 is a wasteful number, since it uses less digits than its factorization.
28065089695 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 294521.
The product of its (nonzero) digits is 9331200, while the sum is 58.
The spelling of 28065089695 in words is "twenty-eight billion, sixty-five million, eighty-nine thousand, six hundred ninety-five".
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