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14311215445 = 55575138677
BaseRepresentation
bin11010101010000001…
…11101000101010101
31100221101002001220111
431111000331011111
5213302132343240
610324031003021
71014434216122
oct152500750525
940841061814
1014311215445
116084342a8a
122934969471
131470c35827
1499a969749
1558b60a1ea
hex35503d155

14311215445 has 8 divisors (see below), whose sum is σ = 17204293944. Its totient is φ = 11428415424.

The previous prime is 14311215421. The next prime is 14311215463. The reversal of 14311215445 is 54451211341.

It can be written as a sum of positive squares in 4 ways, for example, as 1174158756 + 13137056689 = 34266^2 + 114617^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 14311215445 - 29 = 14311214933 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2566554 + ... + 2572123.

It is an arithmetic number, because the mean of its divisors is an integer number (2150536743).

Almost surely, 214311215445 is an apocalyptic number.

It is an amenable number.

14311215445 is a deficient number, since it is larger than the sum of its proper divisors (2893078499).

14311215445 is an equidigital number, since it uses as much as digits as its factorization.

14311215445 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5139239.

The product of its digits is 9600, while the sum is 31.

Adding to 14311215445 its reverse (54451211341), we get a palindrome (68762426786).

The spelling of 14311215445 in words is "fourteen billion, three hundred eleven million, two hundred fifteen thousand, four hundred forty-five".

Divisors: 1 5 557 2785 5138677 25693385 2862243089 14311215445