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14278122491 is a prime number
BaseRepresentation
bin11010100110000101…
…01101101111111011
31100212001210202220112
431103002231233323
5213220144404431
610320445414535
71013553016163
oct152302555773
940761722815
1014278122491
11606769a836
12292586a44b
131467119ab9
149963d35a3
1558876ec2b
hex3530adbfb

14278122491 has 2 divisors, whose sum is σ = 14278122492. Its totient is φ = 14278122490.

The previous prime is 14278122427. The next prime is 14278122493. The reversal of 14278122491 is 19422187241.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 14278122491 - 26 = 14278122427 is a prime.

Together with 14278122493, 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 (14278122493) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7139061245 + 7139061246.

It is an arithmetic number, because the mean of its divisors is an integer number (7139061246).

Almost surely, 214278122491 is an apocalyptic number.

14278122491 is a deficient number, since it is larger than the sum of its proper divisors (1).

14278122491 is an equidigital number, since it uses as much as digits as its factorization.

14278122491 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 64512, while the sum is 41.

The spelling of 14278122491 in words is "fourteen billion, two hundred seventy-eight million, one hundred twenty-two thousand, four hundred ninety-one".