Base | Representation |
---|---|
bin | 10110111010111000… |
… | …11000111001001001 |
3 | 1011202120021221112212 |
4 | 23131130120321021 |
5 | 200200104010241 |
6 | 5353005514505 |
7 | 613634655404 |
oct | 133534307111 |
9 | 34676257485 |
10 | 12305141321 |
11 | 5244a27890 |
12 | 2474b72a35 |
13 | 1211442815 |
14 | 84a36cd3b |
15 | 4c0447beb |
hex | 2dd718e49 |
12305141321 has 8 divisors (see below), whose sum is σ = 13425785184. Its totient is φ = 11184829920.
The previous prime is 12305141249. The next prime is 12305141363. The reversal of 12305141321 is 12314150321.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a de Polignac number, because none of the positive numbers 2k-12305141321 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (12305141371) 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, 2300 + ... + 156893.
It is an arithmetic number, because the mean of its divisors is an integer number (1678223148).
Almost surely, 212305141321 is an apocalyptic number.
12305141321 is a gapful number since it is divisible by the number (11) formed by its first and last digit.
It is an amenable number.
12305141321 is a deficient number, since it is larger than the sum of its proper divisors (1120643863).
12305141321 is a wasteful number, since it uses less digits than its factorization.
12305141321 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 166231.
The product of its (nonzero) digits is 720, while the sum is 23.
Adding to 12305141321 its reverse (12314150321), we get a palindrome (24619291642).
The spelling of 12305141321 in words is "twelve billion, three hundred five million, one hundred forty-one thousand, three hundred twenty-one".
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