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17100230729 is a prime number
BaseRepresentation
bin11111110110100000…
…01101000001001001
31122010202002201121212
433323100031001021
5240010124340404
611504501142505
71143521364041
oct177320150111
948122081555
1017100230729
1172856a849a
1233929baa35
1317c69b7c2a
14b83130721
156a13c506e
hex3fb40d049

17100230729 has 2 divisors, whose sum is σ = 17100230730. Its totient is φ = 17100230728.

The previous prime is 17100230681. The next prime is 17100230731. The reversal of 17100230729 is 92703200171.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 16907020729 + 193210000 = 130027^2 + 13900^2 .

It is an emirp because it is prime and its reverse (92703200171) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 17100230729 - 28 = 17100230473 is a prime.

It is a Sophie Germain prime.

Together with 17100230731, it forms a pair of twin primes.

It is a Chen prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 17100230695 and 17100230704.

It is not a weakly prime, because it can be changed into another prime (17100230789) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8550115364 + 8550115365.

It is an arithmetic number, because the mean of its divisors is an integer number (8550115365).

Almost surely, 217100230729 is an apocalyptic number.

It is an amenable number.

17100230729 is a deficient number, since it is larger than the sum of its proper divisors (1).

17100230729 is an equidigital number, since it uses as much as digits as its factorization.

17100230729 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5292, while the sum is 32.

The spelling of 17100230729 in words is "seventeen billion, one hundred million, two hundred thirty thousand, seven hundred twenty-nine".