Base | Representation |
---|---|
bin | 11010001100110111… |
… | …100101001001100111 |
3 | 2200121122112211101121 |
4 | 122030313211021213 |
5 | 430104043342403 |
6 | 20531343434411 |
7 | 2014111055623 |
oct | 321467451147 |
9 | 80548484347 |
10 | 28133184103 |
11 | 10a274a3682 |
12 | 55518b5a07 |
13 | 28646ac8cb |
14 | 150c53c183 |
15 | ae9cc33bd |
hex | 68cde5267 |
28133184103 has 4 divisors (see below), whose sum is σ = 28382150448. Its totient is φ = 27884217760.
The previous prime is 28133184073. The next prime is 28133184151. The reversal of 28133184103 is 30148133182.
It is a semiprime because it is the product of two primes.
It is a cyclic number.
It is not a de Polignac number, because 28133184103 - 217 = 28133053031 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (28133184193) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 124483003 + ... + 124483228.
It is an arithmetic number, because the mean of its divisors is an integer number (7095537612).
Almost surely, 228133184103 is an apocalyptic number.
28133184103 is a deficient number, since it is larger than the sum of its proper divisors (248966345).
28133184103 is a wasteful number, since it uses less digits than its factorization.
28133184103 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 248966344.
The product of its (nonzero) digits is 13824, while the sum is 34.
The spelling of 28133184103 in words is "twenty-eight billion, one hundred thirty-three million, one hundred eighty-four thousand, one hundred three".
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