Base | Representation |
---|---|
bin | 11010100011011000… |
… | …000011110101001101 |
3 | 2201120222002120002101 |
4 | 122203120003311031 |
5 | 431342231002013 |
6 | 21033033155101 |
7 | 2026344530350 |
oct | 324330036515 |
9 | 81528076071 |
10 | 28510797133 |
11 | 11100668965 |
12 | 563825ba91 |
13 | 28c49b3480 |
14 | 1546756297 |
15 | b1d0138dd |
hex | 6a3603d4d |
28510797133 has 16 divisors (see below), whose sum is σ = 35584448256. Its totient is φ = 22240270080.
The previous prime is 28510797113. The next prime is 28510797151. The reversal of 28510797133 is 33179701582.
It is not a de Polignac number, because 28510797133 - 221 = 28508699981 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (28510797103) 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 15 ways as a sum of consecutive naturals, for example, 2199916 + ... + 2212837.
It is an arithmetic number, because the mean of its divisors is an integer number (2224028016).
Almost surely, 228510797133 is an apocalyptic number.
It is an amenable number.
28510797133 is a deficient number, since it is larger than the sum of its proper divisors (7073651123).
28510797133 is a wasteful number, since it uses less digits than its factorization.
28510797133 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 4412844.
The product of its (nonzero) digits is 317520, while the sum is 46.
The spelling of 28510797133 in words is "twenty-eight billion, five hundred ten million, seven hundred ninety-seven thousand, one hundred thirty-three".
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