Base | Representation |
---|---|
bin | 11010010110110101… |
… | …011101111110111001 |
3 | 2201001022012102001220 |
4 | 122112311131332321 |
5 | 430424400340432 |
6 | 21000115502253 |
7 | 2021211311304 |
oct | 322665357671 |
9 | 81038172056 |
10 | 28300402617 |
11 | 110029263a3 |
12 | 55998b7989 |
13 | 2890229b86 |
14 | 1526829b3b |
15 | b0980472c |
hex | 696d5dfb9 |
28300402617 has 8 divisors (see below), whose sum is σ = 37735527360. Its totient is φ = 18866106480.
The previous prime is 28300402609. The next prime is 28300402621. The reversal of 28300402617 is 71620400382.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 28300402617 - 23 = 28300402609 is a prime.
It is not an unprimeable number, because it can be changed into a prime (28300402217) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (23) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 122517 + ... + 267602.
It is an arithmetic number, because the mean of its divisors is an integer number (4716940920).
Almost surely, 228300402617 is an apocalyptic number.
It is an amenable number.
28300402617 is a deficient number, since it is larger than the sum of its proper divisors (9435124743).
28300402617 is a wasteful number, since it uses less digits than its factorization.
28300402617 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 414303.
The product of its (nonzero) digits is 16128, while the sum is 33.
Adding to 28300402617 its reverse (71620400382), we get a palindrome (99920802999).
The spelling of 28300402617 in words is "twenty-eight billion, three hundred million, four hundred two thousand, six hundred seventeen".
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