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7312085117 is a prime number
BaseRepresentation
bin1101100111101010…
…11001000001111101
3200212120222102002022
412303311121001331
5104433343210432
63205323205525
7346125461261
oct66365310175
920776872068
107312085117
113112532857
1215009768a5
138c6b756ac
144d51980a1
152cbe13b12
hex1b3d5907d

7312085117 has 2 divisors, whose sum is σ = 7312085118. Its totient is φ = 7312085116.

The previous prime is 7312085111. The next prime is 7312085149. The reversal of 7312085117 is 7115802137.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 5185584121 + 2126500996 = 72011^2 + 46114^2 .

It is a cyclic number.

It is not a de Polignac number, because 7312085117 - 28 = 7312084861 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (7312085111) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3656042558 + 3656042559.

It is an arithmetic number, because the mean of its divisors is an integer number (3656042559).

Almost surely, 27312085117 is an apocalyptic number.

It is an amenable number.

7312085117 is a deficient number, since it is larger than the sum of its proper divisors (1).

7312085117 is an equidigital number, since it uses as much as digits as its factorization.

7312085117 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 11760, while the sum is 35.

The square root of 7312085117 is about 85510.7310049446. The cubic root of 7312085117 is about 1940.9473104916.

The spelling of 7312085117 in words is "seven billion, three hundred twelve million, eighty-five thousand, one hundred seventeen".