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13871363173 is a prime number
BaseRepresentation
bin11001110101100110…
…00011010001100101
31022210201102021000121
430322303003101211
5211402032110143
610212235241541
71000513433023
oct147263032145
938721367017
1013871363173
115979028508
1228315a92b1
131400a7ca05
1495838d713
15562bc37ed
hex33acc3465

13871363173 has 2 divisors, whose sum is σ = 13871363174. Its totient is φ = 13871363172.

The previous prime is 13871363123. The next prime is 13871363179. The reversal of 13871363173 is 37136317831.

13871363173 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 12162119524 + 1709243649 = 110282^2 + 41343^2 .

It is an emirp because it is prime and its reverse (37136317831) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 13871363173 - 217 = 13871232101 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (13871363179) 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, 6935681586 + 6935681587.

It is an arithmetic number, because the mean of its divisors is an integer number (6935681587).

Almost surely, 213871363173 is an apocalyptic number.

It is an amenable number.

13871363173 is a deficient number, since it is larger than the sum of its proper divisors (1).

13871363173 is an equidigital number, since it uses as much as digits as its factorization.

13871363173 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 190512, while the sum is 43.

The spelling of 13871363173 in words is "thirteen billion, eight hundred seventy-one million, three hundred sixty-three thousand, one hundred seventy-three".