Base | Representation |
---|---|
bin | 11010001000101011… |
… | …010110110010111000 |
3 | 2200102202020112112221 |
4 | 122020223112302320 |
5 | 424433043330322 |
6 | 20520352413424 |
7 | 2012265315412 |
oct | 321053266270 |
9 | 80382215487 |
10 | 28062870712 |
11 | 109a0839138 |
12 | 5532247274 |
13 | 2852c61556 |
14 | 15030779b2 |
15 | ae3a349c7 |
hex | 688ad6cb8 |
28062870712 has 8 divisors (see below), whose sum is σ = 52617882600. Its totient is φ = 14031435352.
The previous prime is 28062870709. The next prime is 28062870733. The reversal of 28062870712 is 21707826082.
It is a tau number, because it is divible by the number of its divisors (8).
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 as a sum of consecutive naturals, namely, 1753929412 + ... + 1753929427.
It is an arithmetic number, because the mean of its divisors is an integer number (6577235325).
Almost surely, 228062870712 is an apocalyptic number.
It is an amenable number.
28062870712 is a deficient number, since it is larger than the sum of its proper divisors (24555011888).
28062870712 is a wasteful number, since it uses less digits than its factorization.
28062870712 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 3507858845 (or 3507858841 counting only the distinct ones).
The product of its (nonzero) digits is 150528, while the sum is 43.
The spelling of 28062870712 in words is "twenty-eight billion, sixty-two million, eight hundred seventy thousand, seven hundred twelve".
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