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12318411545 = 511223971119
BaseRepresentation
bin10110111100011110…
…00000101100011001
31011210111021010212122
423132033000230121
5200212003132140
65354202151025
7614155525166
oct133617005431
934714233778
1012318411545
115251470a10
1224794b2475
13121410aa1b
1484c02506d
154c16b9ab5
hex2de3c0b19

12318411545 has 8 divisors (see below), whose sum is σ = 16125920640. Its totient is φ = 8958844720.

The previous prime is 12318411509. The next prime is 12318411601. The reversal of 12318411545 is 54511481321.

12318411545 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 12318411545 - 28 = 12318411289 is a prime.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 111985505 + ... + 111985614.

It is an arithmetic number, because the mean of its divisors is an integer number (2015740080).

Almost surely, 212318411545 is an apocalyptic number.

It is an amenable number.

12318411545 is a deficient number, since it is larger than the sum of its proper divisors (3807509095).

12318411545 is a wasteful number, since it uses less digits than its factorization.

12318411545 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 223971135.

The product of its digits is 19200, while the sum is 35.

Adding to 12318411545 its reverse (54511481321), we get a palindrome (66829892866).

The spelling of 12318411545 in words is "twelve billion, three hundred eighteen million, four hundred eleven thousand, five hundred forty-five".

Divisors: 1 5 11 55 223971119 1119855595 2463682309 12318411545