Base | Representation |
---|---|
bin | 10110111100011110… |
… | …00000101100011001 |
3 | 1011210111021010212122 |
4 | 23132033000230121 |
5 | 200212003132140 |
6 | 5354202151025 |
7 | 614155525166 |
oct | 133617005431 |
9 | 34714233778 |
10 | 12318411545 |
11 | 5251470a10 |
12 | 24794b2475 |
13 | 121410aa1b |
14 | 84c02506d |
15 | 4c16b9ab5 |
hex | 2de3c0b19 |
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".
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