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12303117018817 is a prime number
BaseRepresentation
bin1011001100001000101011…
…1010110110011011000001
31121120011111101020002111221
42303002022322312123001
53103033240424100232
642055550211435041
72406604465114312
oct263021272663301
947504441202457
1012303117018817
113a137a48a7509
121468514bb5a81
136b3243224a11
1430768caa8609
1516507408a897
hexb308aeb66c1

12303117018817 has 2 divisors, whose sum is σ = 12303117018818. Its totient is φ = 12303117018816.

The previous prime is 12303117018811. The next prime is 12303117018839. The reversal of 12303117018817 is 71881071130321.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 9762150309136 + 2540966709681 = 3124444^2 + 1594041^2 .

It is an emirp because it is prime and its reverse (71881071130321) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-12303117018817 is a prime.

It is not a weakly prime, because it can be changed into another prime (12303117018811) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6151558509408 + 6151558509409.

It is an arithmetic number, because the mean of its divisors is an integer number (6151558509409).

Almost surely, 212303117018817 is an apocalyptic number.

It is an amenable number.

12303117018817 is a deficient number, since it is larger than the sum of its proper divisors (1).

12303117018817 is an equidigital number, since it uses as much as digits as its factorization.

12303117018817 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 56448, while the sum is 43.

The spelling of 12303117018817 in words is "twelve trillion, three hundred three billion, one hundred seventeen million, eighteen thousand, eight hundred seventeen".