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17218152011 = 38634457197
BaseRepresentation
bin10000000010010010…
…000010011001001011
31122102221222202012202
4100002102002121023
5240230321331021
611524312430415
71146452606624
oct200222023113
948387882182
1017218152011
11733621a4a5
1234063a840b
131815264938
14b94a68a4b
156ab919a0b
hex40248264b

17218152011 has 4 divisors (see below), whose sum is σ = 17222613072. Its totient is φ = 17213690952.

The previous prime is 17218151957. The next prime is 17218152031. The reversal of 17218152011 is 11025181271.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 17218152011 - 230 = 16144410187 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (17218152031) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2224736 + ... + 2232461.

It is an arithmetic number, because the mean of its divisors is an integer number (4305653268).

Almost surely, 217218152011 is an apocalyptic number.

17218152011 is a deficient number, since it is larger than the sum of its proper divisors (4461061).

17218152011 is an equidigital number, since it uses as much as digits as its factorization.

17218152011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4461060.

The product of its (nonzero) digits is 1120, while the sum is 29.

The spelling of 17218152011 in words is "seventeen billion, two hundred eighteen million, one hundred fifty-two thousand, eleven".

Divisors: 1 3863 4457197 17218152011