Base | Representation |
---|---|
bin | 11010001110011111… |
… | …000111000000000000 |
3 | 2200200112121122202120 |
4 | 122032133013000000 |
5 | 430133020323314 |
6 | 20534153244240 |
7 | 2014560541521 |
oct | 321637070000 |
9 | 80615548676 |
10 | 28160323584 |
11 | 10a4084a9a8 |
12 | 555aa03680 |
13 | 286a1c2883 |
14 | 1511da4848 |
15 | aec3848a9 |
hex | 68e7c7000 |
28160323584 has 104 divisors (see below), whose sum is σ = 75629796480. Its totient is φ = 9318678528.
The previous prime is 28160323571. The next prime is 28160323627. The reversal of 28160323584 is 48532306182.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1699789 + ... + 1716275.
Almost surely, 228160323584 is an apocalyptic number.
28160323584 is a gapful number since it is divisible by the number (24) formed by its first and last digit.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 28160323584, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (37814898240).
28160323584 is an abundant number, since it is smaller than the sum of its proper divisors (47469472896).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
28160323584 is a wasteful number, since it uses less digits than its factorization.
28160323584 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 16653 (or 16631 counting only the distinct ones).
The product of its (nonzero) digits is 276480, while the sum is 42.
The spelling of 28160323584 in words is "twenty-eight billion, one hundred sixty million, three hundred twenty-three thousand, five hundred eighty-four".
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