Base | Representation |
---|---|
bin | 11010111010010011… |
… | …100100001101100101 |
3 | 2202120202222020101000 |
4 | 122322103210031211 |
5 | 433134221320023 |
6 | 21135134423513 |
7 | 2042025440460 |
oct | 327223441545 |
9 | 82522866330 |
10 | 28895495013 |
11 | 112888320a0 |
12 | 5725061b99 |
13 | 29565c7a58 |
14 | 15818962d7 |
15 | b41ba3243 |
hex | 6ba4e4365 |
28895495013 has 128 divisors (see below), whose sum is σ = 56976998400. Its totient is φ = 14018961600.
The previous prime is 28895494981. The next prime is 28895495021. The reversal of 28895495013 is 31059459882.
28895495013 is a `hidden beast` number, since 2 + 8 + 8 + 95 + 49 + 501 + 3 = 666.
It is not a de Polignac number, because 28895495013 - 25 = 28895494981 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (28895495813) by changing a digit.
It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 2799420 + ... + 2809722.
It is an arithmetic number, because the mean of its divisors is an integer number (445132800).
Almost surely, 228895495013 is an apocalyptic number.
It is an amenable number.
28895495013 is a deficient number, since it is larger than the sum of its proper divisors (28081503387).
28895495013 is a wasteful number, since it uses less digits than its factorization.
28895495013 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 10420 (or 10414 counting only the distinct ones).
The product of its (nonzero) digits is 3110400, while the sum is 54.
The spelling of 28895495013 in words is "twenty-eight billion, eight hundred ninety-five million, four hundred ninety-five thousand, thirteen".
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