Base | Representation |
---|---|
bin | 11010110110011011… |
… | …011000010100001111 |
3 | 2202102020112211020011 |
4 | 122312123120110033 |
5 | 433021042401300 |
6 | 21124452134051 |
7 | 2040305436055 |
oct | 326633302417 |
9 | 82366484204 |
10 | 28830434575 |
11 | 11255035238 |
12 | 5707307327 |
13 | 2945c98657 |
14 | 1576d9c1d5 |
15 | b3b100eba |
hex | 6b66d850f |
28830434575 has 24 divisors (see below), whose sum is σ = 36710584400. Its totient is φ = 22452249600.
The previous prime is 28830434551. The next prime is 28830434597. The reversal of 28830434575 is 57543403882.
It is not a de Polignac number, because 28830434575 - 229 = 28293563663 is a prime.
It is a congruent number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 50476 + ... + 245374.
Almost surely, 228830434575 is an apocalyptic number.
28830434575 is a gapful number since it is divisible by the number (25) formed by its first and last digit.
28830434575 is a deficient number, since it is larger than the sum of its proper divisors (7880149825).
28830434575 is a wasteful number, since it uses less digits than its factorization.
28830434575 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 195067 (or 195062 counting only the distinct ones).
The product of its (nonzero) digits is 3225600, while the sum is 49.
The spelling of 28830434575 in words is "twenty-eight billion, eight hundred thirty million, four hundred thirty-four thousand, five hundred seventy-five".
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