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14471287769 is a prime number
BaseRepresentation
bin11010111101000111…
…00101001111011001
31101100112021120212002
431132203211033121
5214114122202034
610351545530345
71021416626231
oct153643451731
941315246762
1014471287769
116156734764
12297a4a39b5
131498150193
149b3d16cc1
1559a6c8e7e
hex35e8e53d9

14471287769 has 2 divisors, whose sum is σ = 14471287770. Its totient is φ = 14471287768.

The previous prime is 14471287739. The next prime is 14471287781. The reversal of 14471287769 is 96778217441.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 14277382144 + 193905625 = 119488^2 + 13925^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-14471287769 is a prime.

It is a super-2 number, since 2×144712877692 (a number of 21 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (14471287739) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7235643884 + 7235643885.

It is an arithmetic number, because the mean of its divisors is an integer number (7235643885).

Almost surely, 214471287769 is an apocalyptic number.

It is an amenable number.

14471287769 is a deficient number, since it is larger than the sum of its proper divisors (1).

14471287769 is an equidigital number, since it uses as much as digits as its factorization.

14471287769 is an evil number, because the sum of its binary digits is even.

The product of its digits is 4741632, while the sum is 56.

The spelling of 14471287769 in words is "fourteen billion, four hundred seventy-one million, two hundred eighty-seven thousand, seven hundred sixty-nine".