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17227442417 = 55730928981
BaseRepresentation
bin10000000010110101…
…011110100011110001
31122110121110202020212
4100002311132203301
5240240211124132
611525243513505
71146624562433
oct200265364361
948417422225
1017227442417
117340495519
123409528895
131817168513
14b95da6653
156ac6525b2
hex402d5e8f1

17227442417 has 4 divisors (see below), whose sum is σ = 17258371956. Its totient is φ = 17196512880.

The previous prime is 17227442413. The next prime is 17227442501. The reversal of 17227442417 is 71424472271.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 71424472271 = 233689305639.

It can be written as a sum of positive squares in 2 ways, for example, as 1789628416 + 15437814001 = 42304^2 + 124249^2 .

It is a cyclic number.

It is not a de Polignac number, because 17227442417 - 22 = 17227442413 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (17227442413) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 15463934 + ... + 15465047.

It is an arithmetic number, because the mean of its divisors is an integer number (4314592989).

Almost surely, 217227442417 is an apocalyptic number.

It is an amenable number.

17227442417 is a deficient number, since it is larger than the sum of its proper divisors (30929539).

17227442417 is an equidigital number, since it uses as much as digits as its factorization.

17227442417 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30929538.

The product of its digits is 175616, while the sum is 41.

The spelling of 17227442417 in words is "seventeen billion, two hundred twenty-seven million, four hundred forty-two thousand, four hundred seventeen".

Divisors: 1 557 30928981 17227442417