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14245031321 = 97146855993
BaseRepresentation
bin11010100010001000…
…11110110110011001
31100202202112120100122
431101010132312121
5213133212000241
610313304243025
71013001524363
oct152104366631
940682476318
1014245031321
11604aa48964
122916770475
131460301b21
14991c5bd33
155858d504b
hex35111ed99

14245031321 has 4 divisors (see below), whose sum is σ = 14391887412. Its totient is φ = 14098175232.

The previous prime is 14245031303. The next prime is 14245031377. The reversal of 14245031321 is 12313054241.

It is a happy number.

14245031321 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.

It can be written as a sum of positive squares in 2 ways, for example, as 10691560000 + 3553471321 = 103400^2 + 59611^2 .

It is a cyclic number.

It is not a de Polignac number, because 14245031321 - 26 = 14245031257 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (14245033321) 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, 73427900 + ... + 73428093.

It is an arithmetic number, because the mean of its divisors is an integer number (3597971853).

Almost surely, 214245031321 is an apocalyptic number.

It is an amenable number.

14245031321 is a deficient number, since it is larger than the sum of its proper divisors (146856091).

14245031321 is an equidigital number, since it uses as much as digits as its factorization.

14245031321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 146856090.

The product of its (nonzero) digits is 2880, while the sum is 26.

Adding to 14245031321 its reverse (12313054241), we get a palindrome (26558085562).

The spelling of 14245031321 in words is "fourteen billion, two hundred forty-five million, thirty-one thousand, three hundred twenty-one".

Divisors: 1 97 146855993 14245031321