Base | Representation |
---|---|
bin | 11010100101011101… |
… | …101011000001100110 |
3 | 2201200102000001022010 |
4 | 122211131223001212 |
5 | 431430212312242 |
6 | 21040324015050 |
7 | 2030251330146 |
oct | 324535530146 |
9 | 81612001263 |
10 | 28545822822 |
11 | 11119411210 |
12 | 5647b31486 |
13 | 28cc027b2a |
14 | 154b272926 |
15 | b2113189c |
hex | 6a576b066 |
28545822822 has 32 divisors (see below), whose sum is σ = 64429447680. Its totient is φ = 8351964320.
The previous prime is 28545822817. The next prime is 28545822827. The reversal of 28545822822 is 22822854582.
It is an interprime number because it is at equal distance from previous prime (28545822817) and next prime (28545822827).
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (28545822827) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7455198 + ... + 7459025.
It is an arithmetic number, because the mean of its divisors is an integer number (2013420240).
Almost surely, 228545822822 is an apocalyptic number.
28545822822 is a gapful number since it is divisible by the number (22) formed by its first and last digit.
28545822822 is an abundant number, since it is smaller than the sum of its proper divisors (35883624858).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
28545822822 is a wasteful number, since it uses less digits than its factorization.
28545822822 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 14914268.
The product of its digits is 1638400, while the sum is 48.
The spelling of 28545822822 in words is "twenty-eight billion, five hundred forty-five million, eight hundred twenty-two thousand, eight hundred twenty-two".
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