Base | Representation |
---|---|
bin | 11010110110011010… |
… | …100011011101010000 |
3 | 2202102020010211020020 |
4 | 122312122203131100 |
5 | 433021013434224 |
6 | 21124443343440 |
7 | 2040303544614 |
oct | 326632433520 |
9 | 82366124206 |
10 | 28830218064 |
11 | 112549a75aa |
12 | 5707221b80 |
13 | 2945c20c3b |
14 | 1576d43344 |
15 | b3b0abc79 |
hex | 6b66a3750 |
28830218064 has 20 divisors (see below), whose sum is σ = 74478063456. Its totient is φ = 9610072672.
The previous prime is 28830218033. The next prime is 28830218107. The reversal of 28830218064 is 46081203882.
It is a happy number.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 300314724 + ... + 300314819.
Almost surely, 228830218064 is an apocalyptic number.
28830218064 is a gapful number since it is divisible by the number (24) formed by its first and last digit.
It is an amenable number.
28830218064 is an abundant number, since it is smaller than the sum of its proper divisors (45647845392).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
28830218064 is a wasteful number, since it uses less digits than its factorization.
28830218064 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 600629554 (or 600629548 counting only the distinct ones).
The product of its (nonzero) digits is 147456, while the sum is 42.
The spelling of 28830218064 in words is "twenty-eight billion, eight hundred thirty million, two hundred eighteen thousand, sixty-four".
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