Search a number
-
+
8686513062689 = 711112811857957
BaseRepresentation
bin111111001100111110010…
…0001101000001100100001
31010202102102000211101201112
41332121330201220030201
52114304434321001224
630250310133313105
71554402614524640
oct176317441501441
933672360741645
108686513062689
112849a25192250
12b83607795795
134b0199b2bc07
142206026a3357
15100e51e8330e
hex7e67c868321

8686513062689 has 8 divisors (see below), whose sum is σ = 10829938363968. Its totient is φ = 6768711477360.

The previous prime is 8686513062671. The next prime is 8686513062781. The reversal of 8686513062689 is 9862603156868.

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

It is not a de Polignac number, because 8686513062689 - 212 = 8686513058593 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (8686513062649) 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, 56405928902 + ... + 56405929055.

It is an arithmetic number, because the mean of its divisors is an integer number (1353742295496).

Almost surely, 28686513062689 is an apocalyptic number.

It is an amenable number.

8686513062689 is a deficient number, since it is larger than the sum of its proper divisors (2143425301279).

8686513062689 is a wasteful number, since it uses less digits than its factorization.

8686513062689 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 112811857975.

The product of its (nonzero) digits is 179159040, while the sum is 68.

The spelling of 8686513062689 in words is "eight trillion, six hundred eighty-six billion, five hundred thirteen million, sixty-two thousand, six hundred eighty-nine".

Divisors: 1 7 11 77 112811857957 789683005699 1240930437527 8686513062689