Base | Representation |
---|---|
bin | 11010000110100111… |
… | …011011011111010110 |
3 | 2200100100011111112021 |
4 | 122012213123133112 |
5 | 424400220140214 |
6 | 20513115243354 |
7 | 2011365336154 |
oct | 320647333726 |
9 | 80310144467 |
10 | 28028286934 |
11 | 109832678aa |
12 | 552274955a |
13 | 2848a4308b |
14 | 14dc6343d4 |
15 | ae09a2924 |
hex | 6869db7d6 |
28028286934 has 16 divisors (see below), whose sum is σ = 42309723456. Its totient is φ = 13925174400.
The previous prime is 28028286911. The next prime is 28028287099. The reversal of 28028286934 is 43968282082.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 414174 + ... + 477070.
It is an arithmetic number, because the mean of its divisors is an integer number (2644357716).
Almost surely, 228028286934 is an apocalyptic number.
28028286934 is a deficient number, since it is larger than the sum of its proper divisors (14281436522).
28028286934 is a wasteful number, since it uses less digits than its factorization.
28028286934 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 64311.
The product of its (nonzero) digits is 2654208, while the sum is 52.
The spelling of 28028286934 in words is "twenty-eight billion, twenty-eight million, two hundred eighty-six thousand, nine hundred thirty-four".
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