Base | Representation |
---|---|
bin | 1100101111100110011000… |
… | …00001100001010010110111 |
3 | 10200020001022002011021112101 |
4 | 12113303030001201102313 |
5 | 12133120210113332222 |
6 | 135333541243402531 |
7 | 5621436426145363 |
oct | 627631401412267 |
9 | 120201262137471 |
10 | 28023789589687 |
11 | 8a249057100a1 |
12 | 3187246523447 |
13 | 128382a713688 |
14 | 6cc5042042a3 |
15 | 338e6a5c8927 |
hex | 197ccc0614b7 |
28023789589687 has 8 divisors (see below), whose sum is σ = 28212058836000. Its totient is φ = 27835522878624.
The previous prime is 28023789589673. The next prime is 28023789589759. The reversal of 28023789589687 is 78698598732082.
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 28023789589687 - 27 = 28023789589559 is a prime.
It is a Duffinian number.
It is a self number, because there is not a number n which added to its sum of digits gives 28023789589687.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (28023789589657) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 25024798 + ... + 26120644.
It is an arithmetic number, because the mean of its divisors is an integer number (3526507354500).
Almost surely, 228023789589687 is an apocalyptic number.
28023789589687 is a deficient number, since it is larger than the sum of its proper divisors (188269246313).
28023789589687 is a wasteful number, since it uses less digits than its factorization.
28023789589687 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1267625.
The product of its (nonzero) digits is 5852528640, while the sum is 82.
The spelling of 28023789589687 in words is "twenty-eight trillion, twenty-three billion, seven hundred eighty-nine million, five hundred eighty-nine thousand, six hundred eighty-seven".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.750 sec. • engine limits •