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195717713 is a prime number
BaseRepresentation
bin10111010101001…
…10101001010001
3111122021111020012
423222212221101
5400100431323
631230524305
74564400402
oct1352465121
9448244205
10195717713
11a0528684
1255666695
13317180c9
141bdc99a9
15122b0678
hexbaa6a51

195717713 has 2 divisors, whose sum is σ = 195717714. Its totient is φ = 195717712.

The previous prime is 195717671. The next prime is 195717721. The reversal of 195717713 is 317717591.

195717713 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 127622209 + 68095504 = 11297^2 + 8252^2 .

It is a cyclic number.

It is not a de Polignac number, because 195717713 - 214 = 195701329 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (195717733) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 97858856 + 97858857.

It is an arithmetic number, because the mean of its divisors is an integer number (97858857).

Almost surely, 2195717713 is an apocalyptic number.

It is an amenable number.

195717713 is a deficient number, since it is larger than the sum of its proper divisors (1).

195717713 is an equidigital number, since it uses as much as digits as its factorization.

195717713 is an evil number, because the sum of its binary digits is even.

The product of its digits is 46305, while the sum is 41.

The square root of 195717713 is about 13989.9146888035. The cubic root of 195717713 is about 580.5995712242.

The spelling of 195717713 in words is "one hundred ninety-five million, seven hundred seventeen thousand, seven hundred thirteen".