Base | Representation |
---|---|
bin | 11010011000100110… |
… | …011100011100011100 |
3 | 2201010100221001112201 |
4 | 122120212130130130 |
5 | 431004441043323 |
6 | 21003054341244 |
7 | 2022021120244 |
oct | 323046343434 |
9 | 81110831481 |
10 | 28330018588 |
11 | 11018614303 |
12 | 55a77ba824 |
13 | 28963c9111 |
14 | 152a738b24 |
15 | b0c2048ad |
hex | 69899c71c |
28330018588 has 24 divisors (see below), whose sum is σ = 49827317904. Its totient is φ = 14093721600.
The previous prime is 28330018579. The next prime is 28330018621. The reversal of 28330018588 is 88581003382.
It is a hoax number, since the sum of its digits (46) coincides with the sum of the digits of its distinct prime factors.
It is a congruent number.
It is an unprimeable number.
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 7 ways as a sum of consecutive naturals, for example, 1571868 + ... + 1589788.
It is an arithmetic number, because the mean of its divisors is an integer number (2076138246).
Almost surely, 228330018588 is an apocalyptic number.
It is an amenable number.
28330018588 is a deficient number, since it is larger than the sum of its proper divisors (21497299316).
28330018588 is a wasteful number, since it uses less digits than its factorization.
28330018588 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 19893 (or 19891 counting only the distinct ones).
The product of its (nonzero) digits is 368640, while the sum is 46.
The spelling of 28330018588 in words is "twenty-eight billion, three hundred thirty million, eighteen thousand, five hundred eighty-eight".
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