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14743081681 is a prime number
BaseRepresentation
bin11011011101100000…
…11001001011010001
31102001110201011000021
431232300121023101
5220143212103211
610434535223441
71031230061266
oct155660311321
942043634007
1014743081681
1162860a3529
122a35517b81
13150c553693
149dc06726d
155b44b5771
hex36ec192d1

14743081681 has 2 divisors, whose sum is σ = 14743081682. Its totient is φ = 14743081680.

The previous prime is 14743081669. The next prime is 14743081687. The reversal of 14743081681 is 18618034741.

14743081681 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., 14260181056 + 482900625 = 119416^2 + 21975^2 .

It is a cyclic number.

It is not a de Polignac number, because 14743081681 - 233 = 6153147089 is a prime.

It is a super-2 number, since 2×147430816812 (a number of 21 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (14743081687) 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, 7371540840 + 7371540841.

It is an arithmetic number, because the mean of its divisors is an integer number (7371540841).

Almost surely, 214743081681 is an apocalyptic number.

It is an amenable number.

14743081681 is a deficient number, since it is larger than the sum of its proper divisors (1).

14743081681 is an equidigital number, since it uses as much as digits as its factorization.

14743081681 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 129024, while the sum is 43.

The spelling of 14743081681 in words is "fourteen billion, seven hundred forty-three million, eighty-one thousand, six hundred eighty-one".