Base | Representation |
---|---|
bin | 11010000111111011… |
… | …011011101011000111 |
3 | 2200101212121021110021 |
4 | 122013323123223013 |
5 | 424421334322113 |
6 | 20515223240011 |
7 | 2012053452661 |
oct | 320773335307 |
9 | 80355537407 |
10 | 28050307783 |
11 | 10994738453 |
12 | 5529ba9007 |
13 | 2850483274 |
14 | 1501527531 |
15 | ae28a248d |
hex | 687edbac7 |
28050307783 has 8 divisors (see below), whose sum is σ = 28223506080. Its totient is φ = 27877550880.
The previous prime is 28050307781. The next prime is 28050307793. The reversal of 28050307783 is 38770305082.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 28050307783 - 21 = 28050307781 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 (28050307781) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 17598 + ... + 237508.
It is an arithmetic number, because the mean of its divisors is an integer number (3527938260).
Almost surely, 228050307783 is an apocalyptic number.
28050307783 is a deficient number, since it is larger than the sum of its proper divisors (173198297).
28050307783 is a wasteful number, since it uses less digits than its factorization.
28050307783 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 220697.
The product of its (nonzero) digits is 282240, while the sum is 43.
The spelling of 28050307783 in words is "twenty-eight billion, fifty million, three hundred seven thousand, seven hundred eighty-three".
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