Base | Representation |
---|---|
bin | 11010100101010100… |
… | …010100010001100000 |
3 | 2201200020101110010022 |
4 | 122211110110101200 |
5 | 431424100322321 |
6 | 21040155253012 |
7 | 2030221434065 |
oct | 324524242140 |
9 | 81606343108 |
10 | 28543370336 |
11 | 11117a96668 |
12 | 564714a168 |
13 | 28cb679760 |
14 | 154abd4c6c |
15 | b20ce9dab |
hex | 6a5514460 |
28543370336 has 24 divisors (see below), whose sum is σ = 60517435104. Its totient is φ = 13173863040.
The previous prime is 28543370309. The next prime is 28543370377. The reversal of 28543370336 is 63307334582.
It is a happy number.
It is a congruent number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 34306520 + ... + 34307351.
It is an arithmetic number, because the mean of its divisors is an integer number (2521559796).
Almost surely, 228543370336 is an apocalyptic number.
28543370336 is a gapful number since it is divisible by the number (26) formed by its first and last digit.
It is an amenable number.
28543370336 is an abundant number, since it is smaller than the sum of its proper divisors (31974064768).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
28543370336 is a wasteful number, since it uses less digits than its factorization.
28543370336 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 68613894 (or 68613886 counting only the distinct ones).
The product of its (nonzero) digits is 1088640, while the sum is 44.
The spelling of 28543370336 in words is "twenty-eight billion, five hundred forty-three million, three hundred seventy thousand, three hundred thirty-six".
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