Base | Representation |
---|---|
bin | 11010111010100100… |
… | …001000111101000110 |
3 | 2202121002010222022120 |
4 | 122322210020331012 |
5 | 433141324333224 |
6 | 21135411510410 |
7 | 2042110404516 |
oct | 327244107506 |
9 | 82532128276 |
10 | 28899839814 |
11 | 1129022a43a |
12 | 57265b8406 |
13 | 2957489541 |
14 | 15822a7846 |
15 | b42260779 |
hex | 6ba908f46 |
28899839814 has 16 divisors (see below), whose sum is σ = 59143858752. Its totient is φ = 9409250088.
The previous prime is 28899839791. The next prime is 28899839849. The reversal of 28899839814 is 41893899882.
It is a congruent number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 56007184 + ... + 56007699.
It is an arithmetic number, because the mean of its divisors is an integer number (3696491172).
Almost surely, 228899839814 is an apocalyptic number.
28899839814 is an abundant number, since it is smaller than the sum of its proper divisors (30244018938).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
28899839814 is a wasteful number, since it uses less digits than its factorization.
28899839814 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 112014931.
The product of its digits is 71663616, while the sum is 69.
The spelling of 28899839814 in words is "twenty-eight billion, eight hundred ninety-nine million, eight hundred thirty-nine thousand, eight hundred fourteen".
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