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115371246217 is a prime number
BaseRepresentation
bin110101101110010101…
…0011000001010001001
3102000210102100120000011
41223130222120022021
53342240014334332
6125000102111521
711223002261263
oct1533452301211
9360712316004
10115371246217
1144a24073977
121a43971b5a1
13ab582403c6
1458266c2b33
153003932e47
hex1adca98289

115371246217 has 2 divisors, whose sum is σ = 115371246218. Its totient is φ = 115371246216.

The previous prime is 115371246203. The next prime is 115371246223. The reversal of 115371246217 is 712642173511.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 115281299961 + 89946256 = 339531^2 + 9484^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-115371246217 is a prime.

It is a super-2 number, since 2×1153712462172 (a number of 23 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 115371246217.

It is not a weakly prime, because it can be changed into another prime (115371246517) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 57685623108 + 57685623109.

It is an arithmetic number, because the mean of its divisors is an integer number (57685623109).

Almost surely, 2115371246217 is an apocalyptic number.

It is an amenable number.

115371246217 is a deficient number, since it is larger than the sum of its proper divisors (1).

115371246217 is an equidigital number, since it uses as much as digits as its factorization.

115371246217 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 70560, while the sum is 40.

The spelling of 115371246217 in words is "one hundred fifteen billion, three hundred seventy-one million, two hundred forty-six thousand, two hundred seventeen".