Base | Representation |
---|---|
bin | 11010011000100110… |
… | …010111111010110000 |
3 | 2201010100220010010001 |
4 | 122120212113322300 |
5 | 431004440000143 |
6 | 21003054115344 |
7 | 2022021012220 |
oct | 323046277260 |
9 | 81110803101 |
10 | 28330000048 |
11 | 11018601389 |
12 | 55a77abb54 |
13 | 28963c084c |
14 | 152a732080 |
15 | b0c1ee14d |
hex | 698997eb0 |
28330000048 has 20 divisors (see below), whose sum is σ = 62730714640. Its totient is φ = 12141428544.
The previous prime is 28330000043. The next prime is 28330000063. The reversal of 28330000048 is 84000003382.
It is a Harshad number since it is a multiple of its sum of digits (28).
It is a junction number, because it is equal to n+sod(n) for n = 28329999980 and 28330000025.
It is not an unprimeable number, because it can be changed into a prime (28330000043) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 126473103 + ... + 126473326.
It is an arithmetic number, because the mean of its divisors is an integer number (3136535732).
Almost surely, 228330000048 is an apocalyptic number.
28330000048 is a gapful number since it is divisible by the number (28) formed by its first and last digit.
It is an amenable number.
28330000048 is an abundant number, since it is smaller than the sum of its proper divisors (34400714592).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
28330000048 is a wasteful number, since it uses less digits than its factorization.
28330000048 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 252946444 (or 252946438 counting only the distinct ones).
The product of its (nonzero) digits is 4608, while the sum is 28.
The spelling of 28330000048 in words is "twenty-eight billion, three hundred thirty million, forty-eight", and thus it is an aban number.
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