Base | Representation |
---|---|
bin | 11010001001111010… |
… | …001100000110011101 |
3 | 2200111012010110101112 |
4 | 122021322030012131 |
5 | 430003341130120 |
6 | 20522411351405 |
7 | 2012636056040 |
oct | 321172140635 |
9 | 80435113345 |
10 | 28083536285 |
11 | 10a01473522 |
12 | 5539152565 |
13 | 28573188bc |
14 | 1505ad6c57 |
15 | ae5767bc5 |
hex | 689e8c19d |
28083536285 has 16 divisors (see below), whose sum is σ = 39410253696. Its totient is φ = 18809437248.
The previous prime is 28083536269. The next prime is 28083536293. The reversal of 28083536285 is 58263538082.
It is not a de Polignac number, because 28083536285 - 24 = 28083536269 is a prime.
It is a Duffinian number.
It is a congruent 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 15 ways as a sum of consecutive naturals, for example, 9328574 + ... + 9331583.
It is an arithmetic number, because the mean of its divisors is an integer number (2463140856).
Almost surely, 228083536285 is an apocalyptic number.
It is an amenable number.
28083536285 is a deficient number, since it is larger than the sum of its proper divisors (11326717411).
28083536285 is a wasteful number, since it uses less digits than its factorization.
28083536285 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 18660212.
The product of its (nonzero) digits is 2764800, while the sum is 50.
The spelling of 28083536285 in words is "twenty-eight billion, eighty-three million, five hundred thirty-six thousand, two hundred eighty-five".
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