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8209285663 = 44940214547
BaseRepresentation
bin1111010010100111…
…11100001000011111
3210012010012220212011
413221103330020133
5113303034120123
63434333252051
7410301530305
oct75123741037
923163186764
108209285663
113532a22907
121711334027
13a0a9cbaa7
1457c3c6275
15330a8ae0d
hex1e94fc21f

8209285663 has 8 divisors (see below), whose sum is σ = 8231425200. Its totient is φ = 8187164160.

The previous prime is 8209285613. The next prime is 8209285727. The reversal of 8209285663 is 3665829028.

8209285663 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 8209285663 - 221 = 8207188511 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8209285613) by changing a digit.

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, 1803156 + ... + 1807702.

It is an arithmetic number, because the mean of its divisors is an integer number (1028928150).

Almost surely, 28209285663 is an apocalyptic number.

8209285663 is a deficient number, since it is larger than the sum of its proper divisors (22139537).

8209285663 is a wasteful number, since it uses less digits than its factorization.

8209285663 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9017.

The product of its (nonzero) digits is 1244160, while the sum is 49.

The square root of 8209285663 is about 90605.1083714379. The cubic root of 8209285663 is about 2017.2905594236.

The spelling of 8209285663 in words is "eight billion, two hundred nine million, two hundred eighty-five thousand, six hundred sixty-three".

Divisors: 1 449 4021 4547 1805429 2041603 18283487 8209285663