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14495778481 is a prime number
BaseRepresentation
bin11011000000000010…
…00000011010110001
31101102020100211210111
431200001000122301
5214141404402411
610354222501321
71022135040562
oct154001003261
941366324714
1014495778481
116169541a18
122986734841
1314a0246622
149b7290169
1559c915721
hex3600406b1

14495778481 has 2 divisors, whose sum is σ = 14495778482. Its totient is φ = 14495778480.

The previous prime is 14495778463. The next prime is 14495778487. The reversal of 14495778481 is 18487759441.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 12782563600 + 1713214881 = 113060^2 + 41391^2 .

It is an emirp because it is prime and its reverse (18487759441) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 14495778481 - 25 = 14495778449 is a prime.

It is a super-2 number, since 2×144957784812 (a number of 21 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (14495778487) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7247889240 + 7247889241.

It is an arithmetic number, because the mean of its divisors is an integer number (7247889241).

Almost surely, 214495778481 is an apocalyptic number.

It is an amenable number.

14495778481 is a deficient number, since it is larger than the sum of its proper divisors (1).

14495778481 is an equidigital number, since it uses as much as digits as its factorization.

14495778481 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 9031680, while the sum is 58.

The spelling of 14495778481 in words is "fourteen billion, four hundred ninety-five million, seven hundred seventy-eight thousand, four hundred eighty-one".