Base | Representation |
---|---|
bin | 11010110001110100… |
… | …010010100000010000 |
3 | 2202012211222201100111 |
4 | 122301310102200100 |
5 | 432341242001123 |
6 | 21113050131104 |
7 | 2035346063404 |
oct | 326164224020 |
9 | 82184881314 |
10 | 28753078288 |
11 | 112153aa320 |
12 | 56a5420a94 |
13 | 2932c526bc |
14 | 156a9c3104 |
15 | b3442090d |
hex | 6b1d12810 |
28753078288 has 40 divisors (see below), whose sum is σ = 62416094400. Its totient is φ = 12716346240.
The previous prime is 28753078273. The next prime is 28753078351. The reversal of 28753078288 is 88287035782.
It is a super-2 number, since 2×287530782882 (a number of 22 digits) contains 22 as substring.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2201188 + ... + 2214211.
It is an arithmetic number, because the mean of its divisors is an integer number (1560402360).
Almost surely, 228753078288 is an apocalyptic number.
It is an amenable number.
28753078288 is an abundant number, since it is smaller than the sum of its proper divisors (33663016112).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
28753078288 is a wasteful number, since it uses less digits than its factorization.
28753078288 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 4415455 (or 4415449 counting only the distinct ones).
The product of its (nonzero) digits is 12042240, while the sum is 58.
The spelling of 28753078288 in words is "twenty-eight billion, seven hundred fifty-three million, seventy-eight thousand, two hundred eighty-eight".
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