Base | Representation |
---|---|
bin | 11010010101010111… |
… | …101000001010000000 |
3 | 2200222120220121101210 |
4 | 122111113220022000 |
5 | 430402101142002 |
6 | 20553440330120 |
7 | 2020462233501 |
oct | 322527501200 |
9 | 80876817353 |
10 | 28275802752 |
11 | 10a9aa5412a |
12 | 5591613940 |
13 | 28880c5b42 |
14 | 1523464ba8 |
15 | b0759596c |
hex | 6955e8280 |
28275802752 has 64 divisors (see below), whose sum is σ = 75127039200. Its totient is φ = 9422828544.
The previous prime is 28275802733. The next prime is 28275802781. The reversal of 28275802752 is 25720857282.
It is a tau number, because it is divible by the number of its divisors (64).
It is a Harshad number since it is a multiple of its sum of digits (48).
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2061774 + ... + 2075442.
Almost surely, 228275802752 is an apocalyptic number.
It is an amenable number.
28275802752 is an abundant number, since it is smaller than the sum of its proper divisors (46851236448).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
28275802752 is a wasteful number, since it uses less digits than its factorization.
28275802752 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 19073 (or 19061 counting only the distinct ones).
The product of its (nonzero) digits is 1254400, while the sum is 48.
The spelling of 28275802752 in words is "twenty-eight billion, two hundred seventy-five million, eight hundred two thousand, seven hundred fifty-two".
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