Base | Representation |
---|---|
bin | 1100011001100001… |
… | …01001011101110000 |
3 | 122011220102202220211 |
4 | 12030300221131300 |
5 | 102113032432123 |
6 | 3020304313504 |
7 | 323645400562 |
oct | 61460513560 |
9 | 18156382824 |
10 | 6656530288 |
11 | 290648a801 |
12 | 1359312894 |
13 | 8210c8225 |
14 | 4720ad332 |
15 | 28e5c040d |
hex | 18cc29770 |
6656530288 has 40 divisors (see below), whose sum is σ = 13527473472. Its totient is φ = 3169398528.
The previous prime is 6656530271. The next prime is 6656530289. The reversal of 6656530288 is 8820356566.
It is a super-3 number, since 3×66565302883 (a number of 30 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.
It is a hoax number, since the sum of its digits (49) coincides with the sum of the digits of its distinct prime factors.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (6656530289) 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, 91795 + ... + 147442.
Almost surely, 26656530288 is an apocalyptic number.
It is an amenable number.
6656530288 is an abundant number, since it is smaller than the sum of its proper divisors (6870943184).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
6656530288 is a wasteful number, since it uses less digits than its factorization.
6656530288 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 239329 (or 239323 counting only the distinct ones).
The product of its (nonzero) digits is 2073600, while the sum is 49.
The square root of 6656530288 is about 81587.5620912894. The cubic root of 6656530288 is about 1881.1177041613.
The spelling of 6656530288 in words is "six billion, six hundred fifty-six million, five hundred thirty thousand, two hundred eighty-eight".
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