Base | Representation |
---|---|
bin | 11010110111111010… |
… | …101011011111111110 |
3 | 2202110222120001102212 |
4 | 122313322223133332 |
5 | 433043441314310 |
6 | 21131143420422 |
7 | 2041030665452 |
oct | 326772533776 |
9 | 82428501385 |
10 | 28855416830 |
11 | 11268148829 |
12 | 5713754712 |
13 | 294b204756 |
14 | 157a422662 |
15 | b3d3d8205 |
hex | 6b7eab7fe |
28855416830 has 32 divisors (see below), whose sum is σ = 52244962848. Its totient is φ = 11474467200.
The previous prime is 28855416829. The next prime is 28855416893. The reversal of 28855416830 is 3861455882.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1978244 + ... + 1992776.
It is an arithmetic number, because the mean of its divisors is an integer number (1632655089).
Almost surely, 228855416830 is an apocalyptic number.
28855416830 is a deficient number, since it is larger than the sum of its proper divisors (23389546018).
28855416830 is a wasteful number, since it uses less digits than its factorization.
28855416830 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 15692.
The product of its (nonzero) digits is 1843200, while the sum is 50.
The spelling of 28855416830 in words is "twenty-eight billion, eight hundred fifty-five million, four hundred sixteen thousand, eight hundred thirty".
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