Base | Representation |
---|---|
bin | 11010111001100010… |
… | …001001110101010001 |
3 | 2202112212121011001021 |
4 | 122321202021311101 |
5 | 433122412320110 |
6 | 21133553035441 |
7 | 2041510361350 |
oct | 327142116521 |
9 | 82485534037 |
10 | 28882541905 |
11 | 11281495248 |
12 | 5720855b81 |
13 | 2953a10ca9 |
14 | 157dc83997 |
15 | b409952da |
hex | 6b9889d51 |
28882541905 has 32 divisors (see below), whose sum is σ = 40239440640. Its totient is φ = 19491183360.
The previous prime is 28882541879. The next prime is 28882541911. The reversal of 28882541905 is 50914528882.
It is not a de Polignac number, because 28882541905 - 211 = 28882539857 is a prime.
It is a Smith number, since the sum of its digits (52) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2764231 + ... + 2774659.
It is an arithmetic number, because the mean of its divisors is an integer number (1257482520).
Almost surely, 228882541905 is an apocalyptic number.
It is an amenable number.
28882541905 is a deficient number, since it is larger than the sum of its proper divisors (11356898735).
28882541905 is a wasteful number, since it uses less digits than its factorization.
28882541905 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 11689.
The product of its (nonzero) digits is 1843200, while the sum is 52.
The spelling of 28882541905 in words is "twenty-eight billion, eight hundred eighty-two million, five hundred forty-one thousand, nine hundred five".
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