Base | Representation |
---|---|
bin | 11010010111011101… |
… | …010010110100110111 |
3 | 2201002000211211010212 |
4 | 122113131102310313 |
5 | 430440033431204 |
6 | 21001131340035 |
7 | 2021366122640 |
oct | 322735226467 |
9 | 81060754125 |
10 | 28310842679 |
11 | 11008807149 |
12 | 55a12b161b |
13 | 2892443b22 |
14 | 1527d866c7 |
15 | b0a6b7c6e |
hex | 697752d37 |
28310842679 has 16 divisors (see below), whose sum is σ = 34904893248. Its totient is φ = 22408069632.
The previous prime is 28310842643. The next prime is 28310842691. The reversal of 28310842679 is 97624801382.
It is a cyclic number.
It is not a de Polignac number, because 28310842679 - 212 = 28310838583 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 (28310842619) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2238092 + ... + 2250705.
It is an arithmetic number, because the mean of its divisors is an integer number (2181555828).
Almost surely, 228310842679 is an apocalyptic number.
28310842679 is a deficient number, since it is larger than the sum of its proper divisors (6594050569).
28310842679 is a wasteful number, since it uses less digits than its factorization.
28310842679 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 4488874.
The product of its (nonzero) digits is 1161216, while the sum is 50.
The spelling of 28310842679 in words is "twenty-eight billion, three hundred ten million, eight hundred forty-two thousand, six hundred seventy-nine".
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