Base | Representation |
---|---|
bin | 10110111010110010… |
… | …10110100101100101 |
3 | 1011202111210111210222 |
4 | 23131121112211211 |
5 | 200144403023240 |
6 | 5352540454125 |
7 | 613625132150 |
oct | 133531264545 |
9 | 34674714728 |
10 | 12304345445 |
11 | 5244533937 |
12 | 247484a345 |
13 | 12112244a2 |
14 | 84a202c97 |
15 | 4c033beb5 |
hex | 2dd656965 |
12304345445 has 8 divisors (see below), whose sum is σ = 16874530944. Its totient is φ = 8437265424.
The previous prime is 12304345411. The next prime is 12304345447. The reversal of 12304345445 is 54454340321.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 12304345445 - 216 = 12304279909 is a prime.
It is a Harshad number since it is a multiple of its sum of digits (35), and also a Moran number because the ratio is a prime number: 351552727 = 12304345445 / (1 + 2 + 3 + 0 + 4 + 3 + 4 + 5 + 4 + 4 + 5).
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (12304345447) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 175776329 + ... + 175776398.
It is an arithmetic number, because the mean of its divisors is an integer number (2109316368).
Almost surely, 212304345445 is an apocalyptic number.
It is an amenable number.
12304345445 is a deficient number, since it is larger than the sum of its proper divisors (4570185499).
12304345445 is an equidigital number, since it uses as much as digits as its factorization.
12304345445 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 351552739.
The product of its (nonzero) digits is 115200, while the sum is 35.
Adding to 12304345445 its reverse (54454340321), we get a palindrome (66758685766).
The spelling of 12304345445 in words is "twelve billion, three hundred four million, three hundred forty-five thousand, four hundred forty-five".
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