Base | Representation |
---|---|
bin | 11010010100001000… |
… | …010010000010011111 |
3 | 2200221010202212012120 |
4 | 122110020102002133 |
5 | 430331240042113 |
6 | 20551414434023 |
7 | 2020120363260 |
oct | 322410220237 |
9 | 80833685176 |
10 | 28255002783 |
11 | 10a8a237877 |
12 | 5586662913 |
13 | 28839c2577 |
14 | 15207ac967 |
15 | b05837a23 |
hex | 69421209f |
28255002783 has 16 divisors (see below), whose sum is σ = 43065331200. Its totient is φ = 16141932576.
The previous prime is 28255002773. The next prime is 28255002821. The reversal of 28255002783 is 38720055282.
It is not a de Polignac number, because 28255002783 - 26 = 28255002719 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (28255002773) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 64608 + ... + 246341.
It is an arithmetic number, because the mean of its divisors is an integer number (2691583200).
Almost surely, 228255002783 is an apocalyptic number.
28255002783 is a deficient number, since it is larger than the sum of its proper divisors (14810328417).
28255002783 is a wasteful number, since it uses less digits than its factorization.
28255002783 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 315286.
The product of its (nonzero) digits is 268800, while the sum is 42.
The spelling of 28255002783 in words is "twenty-eight billion, two hundred fifty-five million, two thousand, seven hundred eighty-three".
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