Base | Representation |
---|---|
bin | 11010110111101111… |
… | …110111111110011001 |
3 | 2202110210020011000000 |
4 | 122313233313332121 |
5 | 433042230144340 |
6 | 21131003003213 |
7 | 2040664630464 |
oct | 326757677631 |
9 | 82423204000 |
10 | 28852584345 |
11 | 11266593732 |
12 | 5712809509 |
13 | 294a752420 |
14 | 1579cc62db |
15 | b3d028d30 |
hex | 6b7bf7f99 |
28852584345 has 56 divisors (see below), whose sum is σ = 55904143176. Its totient is φ = 14204325888.
The previous prime is 28852584307. The next prime is 28852584367. The reversal of 28852584345 is 54348525882.
28852584345 is a `hidden beast` number, since 2 + 8 + 8 + 52 + 584 + 3 + 4 + 5 = 666.
It can be written as a sum of positive squares in 4 ways, for example, as 576144009 + 28276440336 = 24003^2 + 168156^2 .
It is not a de Polignac number, because 28852584345 - 29 = 28852583833 is a prime.
It is a junction number, because it is equal to n+sod(n) for n = 28852584291 and 28852584300.
It is an unprimeable number.
It is a polite number, since it can be written in 55 ways as a sum of consecutive naturals, for example, 257064 + ... + 351833.
It is an arithmetic number, because the mean of its divisors is an integer number (998288271).
Almost surely, 228852584345 is an apocalyptic number.
It is an amenable number.
28852584345 is a deficient number, since it is larger than the sum of its proper divisors (27051558831).
28852584345 is an equidigital number, since it uses as much as digits as its factorization.
28852584345 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 608933 (or 608918 counting only the distinct ones).
The product of its digits is 12288000, while the sum is 54.
The spelling of 28852584345 in words is "twenty-eight billion, eight hundred fifty-two million, five hundred eighty-four thousand, three hundred forty-five".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.085 sec. • engine limits •