Base | Representation |
---|---|
bin | 11010101000011010… |
… | …100110011110101111 |
3 | 2201210212012021000200 |
4 | 122220122212132233 |
5 | 432030402140143 |
6 | 21045253324543 |
7 | 2031422313444 |
oct | 325032463657 |
9 | 81725167020 |
10 | 28595349423 |
11 | 11144369293 |
12 | 5660636753 |
13 | 2909378904 |
14 | 1553a859cb |
15 | b256661d3 |
hex | 6a86a67af |
28595349423 has 12 divisors (see below), whose sum is σ = 41354228760. Its totient is φ = 19040565456.
The previous prime is 28595349421. The next prime is 28595349439. The reversal of 28595349423 is 32494359582.
28595349423 is a `hidden beast` number, since 2 + 8 + 595 + 3 + 4 + 9 + 42 + 3 = 666.
It is not a de Polignac number, because 28595349423 - 21 = 28595349421 is a prime.
It is a Smith number, since the sum of its digits (54) coincides with the sum of the digits of its prime factors.
It is a self number, because there is not a number n which added to its sum of digits gives 28595349423.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (28595349421) by changing a digit.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1908861 + ... + 1923782.
It is an arithmetic number, because the mean of its divisors is an integer number (3446185730).
Almost surely, 228595349423 is an apocalyptic number.
28595349423 is a deficient number, since it is larger than the sum of its proper divisors (12758879337).
28595349423 is a wasteful number, since it uses less digits than its factorization.
28595349423 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 3833478 (or 3833475 counting only the distinct ones).
The product of its digits is 9331200, while the sum is 54.
The spelling of 28595349423 in words is "twenty-eight billion, five hundred ninety-five million, three hundred forty-nine thousand, four hundred twenty-three".
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