Base | Representation |
---|---|
bin | 11010100000110100… |
… | …001011100000000000 |
3 | 2201110222020221202200 |
4 | 122200310023200000 |
5 | 431300231240203 |
6 | 21024500313200 |
7 | 2025313423056 |
oct | 324064134000 |
9 | 81428227680 |
10 | 28467836928 |
11 | 11089396263 |
12 | 56259a2800 |
13 | 28b8b2142b |
14 | 1540b721d6 |
15 | b193799a3 |
hex | 6a0d0b800 |
28467836928 has 72 divisors (see below), whose sum is σ = 82220392800. Its totient is φ = 9489272832.
The previous prime is 28467836893. The next prime is 28467836977. The reversal of 28467836928 is 82963876482.
28467836928 is a `hidden beast` number, since 2 + 8 + 467 + 83 + 6 + 92 + 8 = 666.
It is a tau number, because it is divible by the number of its divisors (72).
It is a congruent number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 753808 + ... + 790671.
It is an arithmetic number, because the mean of its divisors is an integer number (1141949900).
Almost surely, 228467836928 is an apocalyptic number.
It is an amenable number.
28467836928 is an abundant number, since it is smaller than the sum of its proper divisors (53752555872).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
28467836928 is a wasteful number, since it uses less digits than its factorization.
28467836928 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1544507 (or 1544484 counting only the distinct ones).
The product of its digits is 55738368, while the sum is 63.
The spelling of 28467836928 in words is "twenty-eight billion, four hundred sixty-seven million, eight hundred thirty-six thousand, nine hundred twenty-eight".
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