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8666330689 = 109224335447
BaseRepresentation
bin10000001001000110…
…11011011001000001
3211100222020012202201
420010203123121001
5120222040040224
63551541313201
7424521411142
oct100443333101
924328205681
108666330689
113747a10575
12181a405801
13a815c4333
145c2d99ac9
1535ac6ba44
hex2048db641

8666330689 has 8 divisors (see below), whose sum is σ = 8749984320. Its totient is φ = 8582752656.

The previous prime is 8666330677. The next prime is 8666330693. The reversal of 8666330689 is 9860336668.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-8666330689 is a prime.

It is a super-2 number, since 2×86663306892 (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (8666330089) by changing a digit.

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, 226764 + ... + 262210.

It is an arithmetic number, because the mean of its divisors is an integer number (1093748040).

Almost surely, 28666330689 is an apocalyptic number.

It is an amenable number.

8666330689 is a deficient number, since it is larger than the sum of its proper divisors (83653631).

8666330689 is a wasteful number, since it uses less digits than its factorization.

8666330689 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37799.

The product of its (nonzero) digits is 6718464, while the sum is 55.

The square root of 8666330689 is about 93093.1291181041. The cubic root of 8666330689 is about 2054.0535056366.

The spelling of 8666330689 in words is "eight billion, six hundred sixty-six million, three hundred thirty thousand, six hundred eighty-nine".

Divisors: 1 109 2243 35447 244487 3863723 79507621 8666330689