Base | Representation |
---|---|
bin | 11010001011001011… |
… | …010110111111101011 |
3 | 2200112200011111201012 |
4 | 122023023112333223 |
5 | 430024313031241 |
6 | 20524451414135 |
7 | 2013314660621 |
oct | 321313267753 |
9 | 80480144635 |
10 | 28104814571 |
11 | 10a12487189 |
12 | 55442b434b |
13 | 285b858ac2 |
14 | 1508875511 |
15 | ae756c6eb |
hex | 68b2d6feb |
28104814571 has 8 divisors (see below), whose sum is σ = 28883169504. Its totient is φ = 27327447360.
The previous prime is 28104814561. The next prime is 28104814597. The reversal of 28104814571 is 17541840182.
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 28104814571 - 214 = 28104798187 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (28104814561) 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, 189050 + ... + 303231.
It is an arithmetic number, because the mean of its divisors is an integer number (3610396188).
Almost surely, 228104814571 is an apocalyptic number.
28104814571 is a deficient number, since it is larger than the sum of its proper divisors (778354933).
28104814571 is a wasteful number, since it uses less digits than its factorization.
28104814571 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 493861.
The product of its (nonzero) digits is 71680, while the sum is 41.
The spelling of 28104814571 in words is "twenty-eight billion, one hundred four million, eight hundred fourteen thousand, five hundred seventy-one".
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