Base | Representation |
---|---|
bin | 11010000110110111… |
… | …101100010001110101 |
3 | 2200100122012002100210 |
4 | 122012313230101311 |
5 | 424402313100010 |
6 | 20513350500033 |
7 | 2011446513015 |
oct | 320667542165 |
9 | 80318162323 |
10 | 28032550005 |
11 | 109857097a9 |
12 | 5524064619 |
13 | 28498a65c5 |
14 | 14dd023c45 |
15 | ae1045b20 |
hex | 686dec475 |
28032550005 has 16 divisors (see below), whose sum is σ = 44855685504. Its totient is φ = 14949491520.
The previous prime is 28032550003. The next prime is 28032550009. The reversal of 28032550005 is 50005523082.
It is not a de Polignac number, because 28032550005 - 21 = 28032550003 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (28032550003) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 137035 + ... + 273575.
It is an arithmetic number, because the mean of its divisors is an integer number (2803480344).
Almost surely, 228032550005 is an apocalyptic number.
It is an amenable number.
28032550005 is a deficient number, since it is larger than the sum of its proper divisors (16823135499).
28032550005 is a wasteful number, since it uses less digits than its factorization.
28032550005 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 150236.
The product of its (nonzero) digits is 12000, while the sum is 30.
The spelling of 28032550005 in words is "twenty-eight billion, thirty-two million, five hundred fifty thousand, five".
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