Base | Representation |
---|---|
bin | 11010101011001010… |
… | …110101111101100111 |
3 | 2201221002010111112221 |
4 | 122223022311331213 |
5 | 432124214101213 |
6 | 21054023453211 |
7 | 2032523105521 |
oct | 325312657547 |
9 | 81832114487 |
10 | 28641550183 |
11 | 11168454634 |
12 | 5673bb7207 |
13 | 2915b0393c |
14 | 1559c70a11 |
15 | b2974038d |
hex | 6ab2b5f67 |
28641550183 has 8 divisors (see below), whose sum is σ = 28747103616. Its totient is φ = 28536050400.
The previous prime is 28641550151. The next prime is 28641550199. The reversal of 28641550183 is 38105514682.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 28641550183 - 25 = 28641550151 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (28641550103) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1284298 + ... + 1306408.
It is an arithmetic number, because the mean of its divisors is an integer number (3593387952).
Almost surely, 228641550183 is an apocalyptic number.
28641550183 is a deficient number, since it is larger than the sum of its proper divisors (105553433).
28641550183 is a wasteful number, since it uses less digits than its factorization.
28641550183 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 26825.
The product of its (nonzero) digits is 230400, while the sum is 43.
The spelling of 28641550183 in words is "twenty-eight billion, six hundred forty-one million, five hundred fifty thousand, one hundred eighty-three".
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