Base | Representation |
---|---|
bin | 11010111001110010… |
… | …001101001001101000 |
3 | 2202120011111221012020 |
4 | 122321302031021220 |
5 | 433130001443200 |
6 | 21134223144440 |
7 | 2041561215306 |
oct | 327162151150 |
9 | 82504457166 |
10 | 28886749800 |
11 | 112838a9747 |
12 | 5722145120 |
13 | 295485537c |
14 | 158065b276 |
15 | b41026ea0 |
hex | 6b9c8d268 |
28886749800 has 48 divisors (see below), whose sum is σ = 89548926240. Its totient is φ = 7703133120.
The previous prime is 28886749799. The next prime is 28886749813. The reversal of 28886749800 is 894768882.
It is a Harshad number since it is a multiple of its sum of digits (60).
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 11 ways as a sum of consecutive naturals, for example, 24071692 + ... + 24072891.
It is an arithmetic number, because the mean of its divisors is an integer number (1865602630).
Almost surely, 228886749800 is an apocalyptic number.
28886749800 is a gapful number since it is divisible by the number (20) formed by its first and last digit.
It is an amenable number.
28886749800 is an abundant number, since it is smaller than the sum of its proper divisors (60662176440).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
28886749800 is a wasteful number, since it uses less digits than its factorization.
28886749800 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 48144602 (or 48144593 counting only the distinct ones).
The product of its (nonzero) digits is 12386304, while the sum is 60.
The spelling of 28886749800 in words is "twenty-eight billion, eight hundred eighty-six million, seven hundred forty-nine thousand, eight hundred".
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