Base | Representation |
---|---|
bin | 11010011110110011… |
… | …010001001001011010 |
3 | 2201101121200001212120 |
4 | 122132303101021122 |
5 | 431213103342412 |
6 | 21021252122110 |
7 | 2024423244645 |
oct | 323663211132 |
9 | 81347601776 |
10 | 28434043482 |
11 | 11071304799 |
12 | 5616606336 |
13 | 28b1b1b900 |
14 | 153a496a5c |
15 | b16401b8c |
hex | 69ecd125a |
28434043482 has 72 divisors (see below), whose sum is σ = 63777602304. Its totient is φ = 8446995648.
The previous prime is 28434043441. The next prime is 28434043487.
28434043482 is nontrivially palindromic in base 10.
It is not an unprimeable number, because it can be changed into a prime (28434043487) by changing a digit.
It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 836103 + ... + 869445.
It is an arithmetic number, because the mean of its divisors is an integer number (885800032).
Almost surely, 228434043482 is an apocalyptic number.
It is a practical number, because each smaller number is the sum of distinct divisors of 28434043482, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (31888801152).
28434043482 is an abundant number, since it is smaller than the sum of its proper divisors (35343558822).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
28434043482 is a wasteful number, since it uses less digits than its factorization.
28434043482 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 33432 (or 33390 counting only the distinct ones).
The product of its (nonzero) digits is 589824, while the sum is 42.
The spelling of 28434043482 in words is "twenty-eight billion, four hundred thirty-four million, forty-three thousand, four hundred eighty-two".
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