Base | Representation |
---|---|
bin | 11010010110011100… |
… | …110100101001010001 |
3 | 2201000212001011112220 |
4 | 122112130310221101 |
5 | 430421222114331 |
6 | 20555325211253 |
7 | 2021102352234 |
oct | 322634645121 |
9 | 81025034486 |
10 | 28293941841 |
11 | 10aaa213310 |
12 | 5597700b29 |
13 | 288baa7229 |
14 | 1525a2741b |
15 | b08e7a296 |
hex | 696734a51 |
28293941841 has 32 divisors (see below), whose sum is σ = 41648256000. Its totient is φ = 16943090880.
The previous prime is 28293941779. The next prime is 28293941867. The reversal of 28293941841 is 14814939282.
It is not a de Polignac number, because 28293941841 - 213 = 28293933649 is a prime.
It is a Curzon number.
It is not an unprimeable number, because it can be changed into a prime (28293942841) by changing a digit.
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 in 31 ways as a sum of consecutive naturals, for example, 1363260 + ... + 1383858.
It is an arithmetic number, because the mean of its divisors is an integer number (1301508000).
Almost surely, 228293941841 is an apocalyptic number.
It is an amenable number.
28293941841 is a deficient number, since it is larger than the sum of its proper divisors (13354314159).
28293941841 is a wasteful number, since it uses less digits than its factorization.
28293941841 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 21109.
The product of its digits is 995328, while the sum is 51.
The spelling of 28293941841 in words is "twenty-eight billion, two hundred ninety-three million, nine hundred forty-one thousand, eight hundred forty-one".
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