Base | Representation |
---|---|
bin | 11010001000101111… |
… | …101010100011011111 |
3 | 2200102211100220221200 |
4 | 122020233222203133 |
5 | 424433341001343 |
6 | 20520432530543 |
7 | 2012311031430 |
oct | 321057524337 |
9 | 80384326850 |
10 | 28064000223 |
11 | 109a143a816 |
12 | 55326b0a53 |
13 | 28532686bc |
14 | 150328d487 |
15 | ae3ba94d3 |
hex | 688bea8df |
28064000223 has 24 divisors (see below), whose sum is σ = 46420028928. Its totient is φ = 16004671632.
The previous prime is 28064000221. The next prime is 28064000243. The reversal of 28064000223 is 32200046082.
It is not a de Polignac number, because 28064000223 - 21 = 28064000221 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (28064000221) by changing a digit.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 411115 + ... + 474492.
It is an arithmetic number, because the mean of its divisors is an integer number (1934167872).
Almost surely, 228064000223 is an apocalyptic number.
28064000223 is a deficient number, since it is larger than the sum of its proper divisors (18356028705).
28064000223 is a wasteful number, since it uses less digits than its factorization.
28064000223 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 886123 (or 886120 counting only the distinct ones).
The product of its (nonzero) digits is 4608, while the sum is 27.
The spelling of 28064000223 in words is "twenty-eight billion, sixty-four million, two hundred twenty-three", and thus it is an aban number.
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