Base | Representation |
---|---|
bin | 1100110111010011010011… |
… | …11110100001111000110111 |
3 | 10201011100101111200200110120 |
4 | 12123221221332201320313 |
5 | 12201434202222021441 |
6 | 140055305422023023 |
7 | 5646525505543116 |
oct | 633515176417067 |
9 | 121140344620416 |
10 | 28288432610871 |
11 | 9017069804944 |
12 | 320a5a2a17a73 |
13 | 12a2784390a34 |
14 | 6db24b673c7d |
15 | 340ca8be0966 |
hex | 19ba69fa1e37 |
28288432610871 has 8 divisors (see below), whose sum is σ = 37836894092784. Its totient is φ = 18799463101440.
The previous prime is 28288432610857. The next prime is 28288432610903. The reversal of 28288432610871 is 17801623488282.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 28288432610871 - 215 = 28288432578103 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (28288432610831) 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, 14872992010 + ... + 14872993911.
It is an arithmetic number, because the mean of its divisors is an integer number (4729611761598).
Almost surely, 228288432610871 is an apocalyptic number.
28288432610871 is a deficient number, since it is larger than the sum of its proper divisors (9548461481913).
28288432610871 is a wasteful number, since it uses less digits than its factorization.
28288432610871 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 29745986241.
The product of its (nonzero) digits is 16515072, while the sum is 60.
The spelling of 28288432610871 in words is "twenty-eight trillion, two hundred eighty-eight billion, four hundred thirty-two million, six hundred ten thousand, eight hundred seventy-one".
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