Base | Representation |
---|---|
bin | 11010111010010001… |
… | …101100110111111101 |
3 | 2202120202001101212000 |
4 | 122322101230313331 |
5 | 433134110144310 |
6 | 21135120132513 |
7 | 2042021333412 |
oct | 327221546775 |
9 | 82522041760 |
10 | 28895006205 |
11 | 1128852891a |
12 | 5724a67139 |
13 | 2956486410 |
14 | 15817aa109 |
15 | b41b084c0 |
hex | 6ba46cdfd |
28895006205 has 64 divisors (see below), whose sum is σ = 55610634240. Its totient is φ = 14150592000.
The previous prime is 28895006201. The next prime is 28895006213. The reversal of 28895006205 is 50260059882.
28895006205 is a `hidden beast` number, since 2 + 8 + 89 + 500 + 62 + 0 + 5 = 666.
It is not a de Polignac number, because 28895006205 - 22 = 28895006201 is a prime.
It is a Harshad number since it is a multiple of its sum of digits (45).
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (28895006201) by changing a digit.
It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 292105 + ... + 378305.
It is an arithmetic number, because the mean of its divisors is an integer number (868916160).
Almost surely, 228895006205 is an apocalyptic number.
It is an amenable number.
28895006205 is a deficient number, since it is larger than the sum of its proper divisors (26715628035).
28895006205 is a wasteful number, since it uses less digits than its factorization.
28895006205 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 86419 (or 86413 counting only the distinct ones).
The product of its (nonzero) digits is 345600, while the sum is 45.
The spelling of 28895006205 in words is "twenty-eight billion, eight hundred ninety-five million, six thousand, two hundred five".
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