Base | Representation |
---|---|
bin | 11010100101110111… |
… | …101010100110110000 |
3 | 2201200212211020101110 |
4 | 122211313222212300 |
5 | 431433433334343 |
6 | 21041130033320 |
7 | 2030363260131 |
oct | 324567524660 |
9 | 81625736343 |
10 | 28552636848 |
11 | 1112224573a |
12 | 564a278840 |
13 | 29005724b8 |
14 | 154c127c88 |
15 | b21a2a833 |
hex | 6a5dea9b0 |
28552636848 has 40 divisors (see below), whose sum is σ = 73778677168. Its totient is φ = 9515261952.
The previous prime is 28552636829. The next prime is 28552636867. The reversal of 28552636848 is 84863625582.
It is an interprime number because it is at equal distance from previous prime (28552636829) and next prime (28552636867).
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 137040 + ... + 275472.
Almost surely, 228552636848 is an apocalyptic number.
It is an amenable number.
28552636848 is an abundant number, since it is smaller than the sum of its proper divisors (45226040320).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
28552636848 is a wasteful number, since it uses less digits than its factorization.
28552636848 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 142741 (or 142735 counting only the distinct ones).
The product of its digits is 22118400, while the sum is 57.
The spelling of 28552636848 in words is "twenty-eight billion, five hundred fifty-two million, six hundred thirty-six thousand, eight hundred forty-eight".
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