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14895318181 is a prime number
BaseRepresentation
bin11011101111101010…
…01000010010100101
31102110002011120020011
431313311020102211
5221001200140211
610502014210221
71035056054422
oct156765102245
942402146204
1014895318181
116354023017
122a784b3971
131534c56553
14a14374d49
155c2a37921
hex377d484a5

14895318181 has 2 divisors, whose sum is σ = 14895318182. Its totient is φ = 14895318180.

The previous prime is 14895318143. The next prime is 14895318241. The reversal of 14895318181 is 18181359841.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 8586987556 + 6308330625 = 92666^2 + 79425^2 .

It is a cyclic number.

It is not a de Polignac number, because 14895318181 - 221 = 14893221029 is a prime.

It is a super-2 number, since 2×148953181812 (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 (14895318101) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7447659090 + 7447659091.

It is an arithmetic number, because the mean of its divisors is an integer number (7447659091).

Almost surely, 214895318181 is an apocalyptic number.

It is an amenable number.

14895318181 is a deficient number, since it is larger than the sum of its proper divisors (1).

14895318181 is an equidigital number, since it uses as much as digits as its factorization.

14895318181 is an evil number, because the sum of its binary digits is even.

The product of its digits is 276480, while the sum is 49.

The spelling of 14895318181 in words is "fourteen billion, eight hundred ninety-five million, three hundred eighteen thousand, one hundred eighty-one".