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14313936181 is a prime number
BaseRepresentation
bin11010101010010110…
…10101010100110101
31100221120012022001111
431111023111110311
5213303331424211
610324205155021
71014466310236
oct152513252465
940846168044
1014313936181
116085931126
12293585ba71
13147167902c
1499b07708d
1558b996421
hex3552d5535

14313936181 has 2 divisors, whose sum is σ = 14313936182. Its totient is φ = 14313936180.

The previous prime is 14313936167. The next prime is 14313936223. The reversal of 14313936181 is 18163931341.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 13597892100 + 716044081 = 116610^2 + 26759^2 .

It is an emirp because it is prime and its reverse (18163931341) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 14313936181 - 25 = 14313936149 is a prime.

It is a super-2 number, since 2×143139361812 (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (14313936781) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7156968090 + 7156968091.

It is an arithmetic number, because the mean of its divisors is an integer number (7156968091).

Almost surely, 214313936181 is an apocalyptic number.

It is an amenable number.

14313936181 is a deficient number, since it is larger than the sum of its proper divisors (1).

14313936181 is an equidigital number, since it uses as much as digits as its factorization.

14313936181 is an evil number, because the sum of its binary digits is even.

The product of its digits is 46656, while the sum is 40.

The spelling of 14313936181 in words is "fourteen billion, three hundred thirteen million, nine hundred thirty-six thousand, one hundred eighty-one".