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13454678771 is a prime number
BaseRepresentation
bin11001000011111011…
…00001101011110011
31021201200100111110222
430201331201223303
5210023344210041
610103032243255
7654263611502
oct144175415363
937650314428
1013454678771
1157848a7336
122735b4052b
1313656491b1
14918cc4839
1553b31674b
hex321f61af3

13454678771 has 2 divisors, whose sum is σ = 13454678772. Its totient is φ = 13454678770.

The previous prime is 13454678761. The next prime is 13454678821. The reversal of 13454678771 is 17787645431.

It is a weak prime.

It is an emirp because it is prime and its reverse (17787645431) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 13454678771 - 214 = 13454662387 is a prime.

It is not a weakly prime, because it can be changed into another prime (13454678711) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6727339385 + 6727339386.

It is an arithmetic number, because the mean of its divisors is an integer number (6727339386).

Almost surely, 213454678771 is an apocalyptic number.

13454678771 is a deficient number, since it is larger than the sum of its proper divisors (1).

13454678771 is an equidigital number, since it uses as much as digits as its factorization.

13454678771 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 3951360, while the sum is 53.

The spelling of 13454678771 in words is "thirteen billion, four hundred fifty-four million, six hundred seventy-eight thousand, seven hundred seventy-one".