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16868518668337 = 76211387987181
BaseRepresentation
bin1111010101111000001000…
…0100000010100000110001
32012201121121001212112120011
43311132002010002200301
54202333211234341322
655513142425214521
73360465421624120
oct365360204024061
965647531775504
1016868518668337
115413998032896
121a85294931441
13954904a252cb
14424625255ab7
151e3bc7720677
hexf5782102831

16868518668337 has 8 divisors (see below), whose sum is σ = 19281410996672. Its totient is φ = 14456402326800.

The previous prime is 16868518668319. The next prime is 16868518668343. The reversal of 16868518668337 is 73386681586861.

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

It is not a de Polignac number, because 16868518668337 - 227 = 16868384450609 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (16868518668137) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 193950114 + ... + 194037067.

It is an arithmetic number, because the mean of its divisors is an integer number (2410176374584).

Almost surely, 216868518668337 is an apocalyptic number.

It is an amenable number.

16868518668337 is a deficient number, since it is larger than the sum of its proper divisors (2412892328335).

16868518668337 is an equidigital number, since it uses as much as digits as its factorization.

16868518668337 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 387993399.

The product of its digits is 1672151040, while the sum is 76.

The spelling of 16868518668337 in words is "sixteen trillion, eight hundred sixty-eight billion, five hundred eighteen million, six hundred sixty-eight thousand, three hundred thirty-seven".

Divisors: 1 7 6211 43477 387987181 2715910267 2409788381191 16868518668337