Base | Representation |
---|---|
bin | 11010101101001101… |
… | …101001101010111111 |
3 | 2202000110122122022012 |
4 | 122231031221222333 |
5 | 432212003400303 |
6 | 21101250441435 |
7 | 2033420424056 |
oct | 325515515277 |
9 | 82013578265 |
10 | 28675840703 |
11 | 11185845604 |
12 | 568359327b |
13 | 291cc4b7a3 |
14 | 156063939d |
15 | b2c7655d8 |
hex | 6ad369abf |
28675840703 has 4 divisors (see below), whose sum is σ = 30362654880. Its totient is φ = 26989026528.
The previous prime is 28675840681. The next prime is 28675840717. The reversal of 28675840703 is 30704857682.
It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 30704857682 = 2 ⋅15352428841.
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-28675840703 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 (28675840723) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 843407063 + ... + 843407096.
It is an arithmetic number, because the mean of its divisors is an integer number (7590663720).
Almost surely, 228675840703 is an apocalyptic number.
28675840703 is a deficient number, since it is larger than the sum of its proper divisors (1686814177).
28675840703 is a wasteful number, since it uses less digits than its factorization.
28675840703 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1686814176.
The product of its (nonzero) digits is 2257920, while the sum is 50.
The spelling of 28675840703 in words is "twenty-eight billion, six hundred seventy-five million, eight hundred forty thousand, seven hundred three".
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