Base | Representation |
---|---|
bin | 11010110111001100… |
… | …111110001110000010 |
3 | 2202110011000022022000 |
4 | 122313030332032002 |
5 | 433032404404012 |
6 | 21130034524430 |
7 | 2040524102613 |
oct | 326714761602 |
9 | 82404008260 |
10 | 28843434882 |
11 | 11261404599 |
12 | 570b736716 |
13 | 294889aa42 |
14 | 15789c3c0a |
15 | b3c31cddc |
hex | 6b733e382 |
28843434882 has 32 divisors (see below), whose sum is σ = 64816718400. Its totient is φ = 9506448864.
The previous prime is 28843434881. The next prime is 28843434889.
28843434882 is a `hidden beast` number, since 2 + 88 + 43 + 43 + 488 + 2 = 666.
28843434882 is nontrivially palindromic in base 10.
It is a Harshad number since it is a multiple of its sum of digits (54).
It is not an unprimeable number, because it can be changed into a prime (28843434881) by changing a digit.
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 15 ways as a sum of consecutive naturals, for example, 2995968 + ... + 3005579.
It is an arithmetic number, because the mean of its divisors is an integer number (2025522450).
Almost surely, 228843434882 is an apocalyptic number.
28843434882 is an abundant number, since it is smaller than the sum of its proper divisors (35973283518).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
28843434882 is a wasteful number, since it uses less digits than its factorization.
28843434882 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 6001647 (or 6001641 counting only the distinct ones).
The product of its digits is 9437184, while the sum is 54.
The spelling of 28843434882 in words is "twenty-eight billion, eight hundred forty-three million, four hundred thirty-four thousand, eight hundred eighty-two".
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