Base | Representation |
---|---|
bin | 11010111001101000… |
… | …110011110110110000 |
3 | 2202112222212210201120 |
4 | 122321220303312300 |
5 | 433123334140041 |
6 | 21134054302240 |
7 | 2041531246653 |
oct | 327150636660 |
9 | 82488783646 |
10 | 28884286896 |
11 | 11282477293 |
12 | 5721357980 |
13 | 29541a232a |
14 | 15801b989a |
15 | b40bdc366 |
hex | 6b9a33db0 |
28884286896 has 20 divisors (see below), whose sum is σ = 74617741272. Its totient is φ = 9628095616.
The previous prime is 28884286831. The next prime is 28884286901. The reversal of 28884286896 is 69868248882.
It is a self number, because there is not a number n which added to its sum of digits gives 28884286896.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 300877941 + ... + 300878036.
Almost surely, 228884286896 is an apocalyptic number.
It is an amenable number.
28884286896 is an abundant number, since it is smaller than the sum of its proper divisors (45733454376).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
28884286896 is a wasteful number, since it uses less digits than its factorization.
28884286896 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 601755988 (or 601755982 counting only the distinct ones).
The product of its digits is 169869312, while the sum is 69.
The spelling of 28884286896 in words is "twenty-eight billion, eight hundred eighty-four million, two hundred eighty-six thousand, eight hundred ninety-six".
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