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8660068289 = 16411527699
BaseRepresentation
bin10000001000010111…
…00010011111000001
3211100112110001100222
420010023202133001
5120213434141124
63551155152425
7424414236335
oct100413423701
924315401328
108660068289
113744423534
1218182a5715
13a80210a82
145c22097c5
1535a43125e
hex2042e27c1

8660068289 has 4 divisors (see below), whose sum is σ = 8660612400. Its totient is φ = 8659524180.

The previous prime is 8660068283. The next prime is 8660068357. The reversal of 8660068289 is 9828600668.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 8660068289 - 220 = 8659019713 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 8660068289.

It is not an unprimeable number, because it can be changed into a prime (8660068283) 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 3 ways as a sum of consecutive naturals, for example, 247439 + ... + 280260.

It is an arithmetic number, because the mean of its divisors is an integer number (2165153100).

Almost surely, 28660068289 is an apocalyptic number.

It is an amenable number.

8660068289 is a deficient number, since it is larger than the sum of its proper divisors (544111).

8660068289 is a wasteful number, since it uses less digits than its factorization.

8660068289 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 544110.

The product of its (nonzero) digits is 1990656, while the sum is 53.

The square root of 8660068289 is about 93059.4879042433. The cubic root of 8660068289 is about 2053.5586247473.

The spelling of 8660068289 in words is "eight billion, six hundred sixty million, sixty-eight thousand, two hundred eighty-nine".

Divisors: 1 16411 527699 8660068289