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13144304311 = 52171935089
BaseRepresentation
bin11000011110111011…
…00010101010110111
31020221001022211202121
430033131202222313
5203404420214221
610012144020411
7643504512625
oct141735425267
936831284677
1013144304311
115635687416
12266a001707
131316258278
148c99b0515
1551de58a41
hex30f762ab7

13144304311 has 8 divisors (see below), whose sum is σ = 13188225600. Its totient is φ = 13100455680.

The previous prime is 13144304269. The next prime is 13144304359. The reversal of 13144304311 is 11340344131.

It is a happy number.

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 13144304311 - 27 = 13144304183 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13144304011) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 357055 + ... + 392143.

It is an arithmetic number, because the mean of its divisors is an integer number (1648528200).

Almost surely, 213144304311 is an apocalyptic number.

13144304311 is a deficient number, since it is larger than the sum of its proper divisors (43921289).

13144304311 is an equidigital number, since it uses as much as digits as its factorization.

13144304311 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36329.

The product of its (nonzero) digits is 1728, while the sum is 25.

Adding to 13144304311 its reverse (11340344131), we get a palindrome (24484648442).

It can be divided in two parts, 1314 and 4304311, that added together give a square (4305625 = 20752).

The spelling of 13144304311 in words is "thirteen billion, one hundred forty-four million, three hundred four thousand, three hundred eleven".

Divisors: 1 521 719 35089 374599 18281369 25228991 13144304311