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14042404345 = 5171131461989
BaseRepresentation
bin11010001001111111…
…00001010111111001
31100020122021001101211
431010333201113321
5212224323414340
610241225243121
71004661316234
oct150477412771
940218231354
1014042404345
115a56631252
12287a9334a1
13142a337bc8
14972d9441b
15572c0c5ea
hex344fe15f9

14042404345 has 16 divisors (see below), whose sum is σ = 18000020880. Its totient is φ = 10479529984.

The previous prime is 14042404297. The next prime is 14042404357. The reversal of 14042404345 is 54340424041.

It can be written as a sum of positive squares in 8 ways, for example, as 59105344 + 13983299001 = 7688^2 + 118251^2 .

It is a cyclic number.

It is not a de Polignac number, because 14042404345 - 27 = 14042404217 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 721390 + ... + 740599.

It is an arithmetic number, because the mean of its divisors is an integer number (1125001305).

Almost surely, 214042404345 is an apocalyptic number.

It is an amenable number.

14042404345 is a deficient number, since it is larger than the sum of its proper divisors (3957616535).

14042404345 is a wasteful number, since it uses less digits than its factorization.

14042404345 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1462124.

The product of its (nonzero) digits is 30720, while the sum is 31.

Adding to 14042404345 its reverse (54340424041), we get a palindrome (68382828386).

The spelling of 14042404345 in words is "fourteen billion, forty-two million, four hundred four thousand, three hundred forty-five".

Divisors: 1 5 17 85 113 565 1921 9605 1461989 7309945 24853813 124269065 165204757 826023785 2808480869 14042404345