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115312442473 is a prime number
BaseRepresentation
bin110101101100100101…
…0000011110001101001
3102000122022201000102201
41223121022003301221
53342124441124343
6124550201500201
711221356405634
oct1533112036151
9360568630381
10115312442473
11449a395a838
121a421aa1661
13ab48cc1aa7
14581c976c1b
152eed6b994d
hex1ad9283c69

115312442473 has 2 divisors, whose sum is σ = 115312442474. Its totient is φ = 115312442472.

The previous prime is 115312442447. The next prime is 115312442587. The reversal of 115312442473 is 374244213511.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 80978946624 + 34333495849 = 284568^2 + 185293^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-115312442473 is a prime.

It is not a weakly prime, because it can be changed into another prime (115312442173) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 57656221236 + 57656221237.

It is an arithmetic number, because the mean of its divisors is an integer number (57656221237).

Almost surely, 2115312442473 is an apocalyptic number.

It is an amenable number.

115312442473 is a deficient number, since it is larger than the sum of its proper divisors (1).

115312442473 is an equidigital number, since it uses as much as digits as its factorization.

115312442473 is an evil number, because the sum of its binary digits is even.

The product of its digits is 80640, while the sum is 37.

Adding to 115312442473 its reverse (374244213511), we get a palindrome (489556655984).

The spelling of 115312442473 in words is "one hundred fifteen billion, three hundred twelve million, four hundred forty-two thousand, four hundred seventy-three".