Search a number
-
+
17041270661 is a prime number
BaseRepresentation
bin11111101111011110…
…10010011110000101
31121222122011020121122
433313233102132011
5234400031130121
611454553323325
71142204260562
oct176757223605
947878136548
1017041270661
117255397968
123377106545
1317b771340c
14b79383869
1569b12a5ab
hex3f7bd2785

17041270661 has 2 divisors, whose sum is σ = 17041270662. Its totient is φ = 17041270660.

The previous prime is 17041270637. The next prime is 17041270663. The reversal of 17041270661 is 16607214071.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 13686660100 + 3354610561 = 116990^2 + 57919^2 .

It is a cyclic number.

It is not a de Polignac number, because 17041270661 - 226 = 16974161797 is a prime.

It is a Sophie Germain prime.

Together with 17041270663, it forms a pair of twin primes.

It is a Chen prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (17041270663) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8520635330 + 8520635331.

It is an arithmetic number, because the mean of its divisors is an integer number (8520635331).

Almost surely, 217041270661 is an apocalyptic number.

It is an amenable number.

17041270661 is a deficient number, since it is larger than the sum of its proper divisors (1).

17041270661 is an equidigital number, since it uses as much as digits as its factorization.

17041270661 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 14112, while the sum is 35.

The spelling of 17041270661 in words is "seventeen billion, forty-one million, two hundred seventy thousand, six hundred sixty-one".