Base | Representation |
---|---|
bin | 1100111101100101110001… |
… | …10010101111101101101000 |
3 | 10201221000002211210021200100 |
4 | 12132302320302233231220 |
5 | 12214004210320133012 |
6 | 140342442114305400 |
7 | 6001245110150202 |
oct | 636627062575550 |
9 | 121830084707610 |
10 | 28504503286632 |
11 | 909a767aa365a |
12 | 3244444588260 |
13 | 12b9c69cb03b9 |
14 | 7078a7c43772 |
15 | 346702e6b8dc |
hex | 19ecb8cafb68 |
28504503286632 has 48 divisors (see below), whose sum is σ = 77199997680000. Its totient is φ = 9501464015136.
The previous prime is 28504503286631. The next prime is 28504503286657. The reversal of 28504503286632 is 23668230540582.
28504503286632 is a `hidden beast` number, since 2 + 8 + 50 + 4 + 503 + 2 + 86 + 6 + 3 + 2 = 666.
It is a super-2 number, since 2×285045032866322 (a number of 28 digits) contains 22 as substring.
It is not an unprimeable number, because it can be changed into a prime (28504503286631) by changing a digit.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 22740619 + ... + 23961317.
It is an arithmetic number, because the mean of its divisors is an integer number (1608333285000).
Almost surely, 228504503286632 is an apocalyptic number.
It is an amenable number.
28504503286632 is an abundant number, since it is smaller than the sum of its proper divisors (48695494393368).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
28504503286632 is a wasteful number, since it uses less digits than its factorization.
28504503286632 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1545030 (or 1545023 counting only the distinct ones).
The product of its (nonzero) digits is 16588800, while the sum is 54.
The spelling of 28504503286632 in words is "twenty-eight trillion, five hundred four billion, five hundred three million, two hundred eighty-six thousand, six hundred thirty-two".
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