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115728672089 is a prime number
BaseRepresentation
bin110101111000111110…
…1110110010101011001
3102001201022220200010102
41223301331312111121
53344003020001324
6125055351025145
711234602324232
oct1536175662531
9361638820112
10115728672089
1145097900258
121a51936b1b5
13abb42c65c4
14585bd64089
153024ed6dae
hex1af1f76559

115728672089 has 2 divisors, whose sum is σ = 115728672090. Its totient is φ = 115728672088.

The previous prime is 115728672083. The next prime is 115728672161. The reversal of 115728672089 is 980276827511.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 112144614400 + 3584057689 = 334880^2 + 59867^2 .

It is an emirp because it is prime and its reverse (980276827511) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 115728672089 - 28 = 115728671833 is a prime.

It is not a weakly prime, because it can be changed into another prime (115728672083) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 57864336044 + 57864336045.

It is an arithmetic number, because the mean of its divisors is an integer number (57864336045).

Almost surely, 2115728672089 is an apocalyptic number.

It is an amenable number.

115728672089 is a deficient number, since it is larger than the sum of its proper divisors (1).

115728672089 is an equidigital number, since it uses as much as digits as its factorization.

115728672089 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3386880, while the sum is 56.

The spelling of 115728672089 in words is "one hundred fifteen billion, seven hundred twenty-eight million, six hundred seventy-two thousand, eighty-nine".