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14007644081 is a prime number
BaseRepresentation
bin11010000101110101…
…11010111110110001
31100011012212001021122
431002322322332301
5212141424102311
610233544232025
71004060003324
oct150272727661
940135761248
1014007644081
115a38a4a362
12286b16b615
1314230872c2
1496c5067bb
1556eb430db
hex342ebafb1

14007644081 has 2 divisors, whose sum is σ = 14007644082. Its totient is φ = 14007644080.

The previous prime is 14007644059. The next prime is 14007644083. The reversal of 14007644081 is 18044670041.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 13980697600 + 26946481 = 118240^2 + 5191^2 .

It is an emirp because it is prime and its reverse (18044670041) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 14007644081 - 26 = 14007644017 is a prime.

It is a super-2 number, since 2×140076440812 (a number of 21 digits) contains 22 as substring.

Together with 14007644083, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (14007644083) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7003822040 + 7003822041.

It is an arithmetic number, because the mean of its divisors is an integer number (7003822041).

Almost surely, 214007644081 is an apocalyptic number.

It is an amenable number.

14007644081 is a deficient number, since it is larger than the sum of its proper divisors (1).

14007644081 is an equidigital number, since it uses as much as digits as its factorization.

14007644081 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 21504, while the sum is 35.

The spelling of 14007644081 in words is "fourteen billion, seven million, six hundred forty-four thousand, eighty-one".