Base | Representation |
---|---|
bin | 11010000110101101… |
… | …111110011101101111 |
3 | 2200100110101200121022 |
4 | 122012231332131233 |
5 | 424401140044210 |
6 | 20513220124355 |
7 | 2011416044345 |
oct | 320655763557 |
9 | 80313350538 |
10 | 28030003055 |
11 | 1098422a18a |
12 | 55232366bb |
13 | 28491c4232 |
14 | 14dc95d995 |
15 | ae0be1155 |
hex | 686b7e76f |
28030003055 has 16 divisors (see below), whose sum is σ = 35199057600. Its totient is φ = 21387556608.
The previous prime is 28030003049. The next prime is 28030003081. The reversal of 28030003055 is 55030003082.
It is a cyclic number.
It is not a de Polignac number, because 28030003055 - 214 = 28029986671 is a prime.
It is a congruent number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (23) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 309062 + ... + 389331.
It is an arithmetic number, because the mean of its divisors is an integer number (2199941100).
Almost surely, 228030003055 is an apocalyptic number.
28030003055 is a deficient number, since it is larger than the sum of its proper divisors (7169054545).
28030003055 is a wasteful number, since it uses less digits than its factorization.
28030003055 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 698770.
The product of its (nonzero) digits is 3600, while the sum is 26.
The spelling of 28030003055 in words is "twenty-eight billion, thirty million, three thousand, fifty-five".
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