Base | Representation |
---|---|
bin | 11010011111001010… |
… | …110010101010000000 |
3 | 2201102001021100210220 |
4 | 122133022302222000 |
5 | 431221143210143 |
6 | 21022032223040 |
7 | 2024526540165 |
oct | 323712625200 |
9 | 81361240726 |
10 | 28440210048 |
11 | 11074836828 |
12 | 561869aa80 |
13 | 28b319a673 |
14 | 153b22006c |
15 | b16c1dd83 |
hex | 69f2b2a80 |
28440210048 has 32 divisors (see below), whose sum is σ = 75544308960. Its totient is φ = 9480069888.
The previous prime is 28440210041. The next prime is 28440210089. The reversal of 28440210048 is 84001204482.
It is a tau number, because it is divible by the number of its divisors (32).
It is not an unprimeable number, because it can be changed into a prime (28440210041) 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, 37031140 + ... + 37031907.
It is an arithmetic number, because the mean of its divisors is an integer number (2360759655).
Almost surely, 228440210048 is an apocalyptic number.
It is an amenable number.
28440210048 is an abundant number, since it is smaller than the sum of its proper divisors (47104098912).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
28440210048 is an equidigital number, since it uses as much as digits as its factorization.
28440210048 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 74063064 (or 74063052 counting only the distinct ones).
The product of its (nonzero) digits is 16384, while the sum is 33.
The spelling of 28440210048 in words is "twenty-eight billion, four hundred forty million, two hundred ten thousand, forty-eight".
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