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14245731449 = 67499211051
BaseRepresentation
bin11010100010001110…
…01001110001111001
31100202210212010202022
431101013021301321
5213133401401244
610313331244225
71013010501515
oct152107116171
940683763668
1014245731449
116050386984
122916a49675
1314604b86c1
14991da1145
155859c26ee
hex3511c9c79

14245731449 has 4 divisors (see below), whose sum is σ = 14246010000. Its totient is φ = 14245452900.

The previous prime is 14245731433. The next prime is 14245731473. The reversal of 14245731449 is 94413754241.

14245731449 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 14245731449 - 24 = 14245731433 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (14245731499) 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 in 3 ways as a sum of consecutive naturals, for example, 38027 + ... + 173024.

It is an arithmetic number, because the mean of its divisors is an integer number (3561502500).

Almost surely, 214245731449 is an apocalyptic number.

It is an amenable number.

14245731449 is a deficient number, since it is larger than the sum of its proper divisors (278551).

14245731449 is an equidigital number, since it uses as much as digits as its factorization.

14245731449 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 278550.

The product of its digits is 483840, while the sum is 44.

The spelling of 14245731449 in words is "fourteen billion, two hundred forty-five million, seven hundred thirty-one thousand, four hundred forty-nine".

Divisors: 1 67499 211051 14245731449