Base | Representation |
---|---|
bin | 11010100000010011… |
… | …110010000010000101 |
3 | 2201110101021110122222 |
4 | 122200103302002011 |
5 | 431241043002010 |
6 | 21023554302125 |
7 | 2025151301261 |
oct | 324023620205 |
9 | 81411243588 |
10 | 28459344005 |
11 | 11084615414 |
12 | 5622b87945 |
13 | 28b7139831 |
14 | 153d9a10a1 |
15 | b1874d355 |
hex | 6a04f2085 |
28459344005 has 16 divisors (see below), whose sum is σ = 35283714048. Its totient is φ = 22013760000.
The previous prime is 28459343989. The next prime is 28459344007. The reversal of 28459344005 is 50044395482.
It is not a de Polignac number, because 28459344005 - 24 = 28459343989 is a prime.
It is a super-2 number, since 2×284593440052 (a number of 22 digits) contains 22 as substring.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (28459344007) by changing a digit.
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 15 ways as a sum of consecutive naturals, for example, 98645 + ... + 258165.
It is an arithmetic number, because the mean of its divisors is an integer number (2205232128).
Almost surely, 228459344005 is an apocalyptic number.
It is an amenable number.
28459344005 is a deficient number, since it is larger than the sum of its proper divisors (6824370043).
28459344005 is a wasteful number, since it uses less digits than its factorization.
28459344005 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 160708.
The product of its (nonzero) digits is 691200, while the sum is 44.
The spelling of 28459344005 in words is "twenty-eight billion, four hundred fifty-nine million, three hundred forty-four thousand, five".
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