Base | Representation |
---|---|
bin | 11010100011101011… |
… | …111010110000100100 |
3 | 2201121022220000222210 |
4 | 122203223322300210 |
5 | 431400044042402 |
6 | 21033340523420 |
7 | 2026440011361 |
oct | 324353726044 |
9 | 81538800883 |
10 | 28516002852 |
11 | 111035a4007 |
12 | 5639b50570 |
13 | 28c5ab6a8c |
14 | 154730d468 |
15 | b1d6e106c |
hex | 6a3afac24 |
28516002852 has 24 divisors (see below), whose sum is σ = 66638325600. Its totient is φ = 9490907776.
The previous prime is 28516002839. The next prime is 28516002859. The reversal of 28516002852 is 25820061582.
It is a self number, because there is not a number n which added to its sum of digits gives 28516002852.
It is not an unprimeable number, because it can be changed into a prime (28516002859) 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, 1795077 + ... + 1810892.
It is an arithmetic number, because the mean of its divisors is an integer number (2776596900).
Almost surely, 228516002852 is an apocalyptic number.
It is an amenable number.
28516002852 is an abundant number, since it is smaller than the sum of its proper divisors (38122322748).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
28516002852 is a wasteful number, since it uses less digits than its factorization.
28516002852 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 3606635 (or 3606633 counting only the distinct ones).
The product of its (nonzero) digits is 76800, while the sum is 39.
The spelling of 28516002852 in words is "twenty-eight billion, five hundred sixteen million, two thousand, eight hundred fifty-two".
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