Base | Representation |
---|---|
bin | 11010110111110101… |
… | …100101101100101001 |
3 | 2202110220001020212111 |
4 | 122313311211230221 |
5 | 433043121113340 |
6 | 21131055042321 |
7 | 2041013440024 |
oct | 326765455451 |
9 | 82426036774 |
10 | 28854082345 |
11 | 11267417150 |
12 | 57132103a1 |
13 | 294ab5820a |
14 | 157a1961bb |
15 | b3d222aea |
hex | 6b7d65b29 |
28854082345 has 16 divisors (see below), whose sum is σ = 37776191040. Its totient is φ = 20982801600.
The previous prime is 28854082333. The next prime is 28854082349. The reversal of 28854082345 is 54328045882.
It is a happy number.
It is not a de Polignac number, because 28854082345 - 221 = 28851985193 is a prime.
It is not an unprimeable number, because it can be changed into a prime (28854082349) 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, 822055 + ... + 856435.
It is an arithmetic number, because the mean of its divisors is an integer number (2361011940).
Almost surely, 228854082345 is an apocalyptic number.
It is an amenable number.
28854082345 is a deficient number, since it is larger than the sum of its proper divisors (8922108695).
28854082345 is a wasteful number, since it uses less digits than its factorization.
28854082345 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 49656.
The product of its (nonzero) digits is 2457600, while the sum is 49.
The spelling of 28854082345 in words is "twenty-eight billion, eight hundred fifty-four million, eighty-two thousand, three hundred forty-five".
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