Base | Representation |
---|---|
bin | 11010111001101100… |
… | …110111110101111011 |
3 | 2202120001212220111120 |
4 | 122321230313311323 |
5 | 433124122224203 |
6 | 21134133200323 |
7 | 2041543303440 |
oct | 327154676573 |
9 | 82501786446 |
10 | 28885351803 |
11 | 11283034380 |
12 | 57217900a3 |
13 | 2954485c59 |
14 | 15803b59c7 |
15 | b40d4cb53 |
hex | 6b9b37d7b |
28885351803 has 32 divisors (see below), whose sum is σ = 50104922112. Its totient is φ = 14352967200.
The previous prime is 28885351741. The next prime is 28885351829. The reversal of 28885351803 is 30815358882.
It is a happy number.
It is not a de Polignac number, because 28885351803 - 26 = 28885351739 is a prime.
It is not an unprimeable number, because it can be changed into a prime (28885351843) by changing a digit.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2713053 + ... + 2723678.
It is an arithmetic number, because the mean of its divisors is an integer number (1565778816).
Almost surely, 228885351803 is an apocalyptic number.
28885351803 is a gapful number since it is divisible by the number (23) formed by its first and last digit.
28885351803 is a deficient number, since it is larger than the sum of its proper divisors (21219570309).
28885351803 is a wasteful number, since it uses less digits than its factorization.
28885351803 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 5436775.
The product of its (nonzero) digits is 1843200, while the sum is 51.
The spelling of 28885351803 in words is "twenty-eight billion, eight hundred eighty-five million, three hundred fifty-one thousand, eight hundred three".
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