Base | Representation |
---|---|
bin | 10110111101010101… |
… | …01111010101101001 |
3 | 1011210222221102222210 |
4 | 23132222233111221 |
5 | 200220333233424 |
6 | 5355022035333 |
7 | 614304361353 |
oct | 133652572551 |
9 | 34728842883 |
10 | 12325680489 |
11 | 5255586201 |
12 | 247ba18b49 |
13 | 1215784485 |
14 | 84cd980d3 |
15 | 4c2153729 |
hex | 2deaaf569 |
12325680489 has 4 divisors (see below), whose sum is σ = 16434240656. Its totient is φ = 8217120324.
The previous prime is 12325680481. The next prime is 12325680511. The reversal of 12325680489 is 98408652321.
It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.
It is not a de Polignac number, because 12325680489 - 23 = 12325680481 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (12325680481) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2054280079 + ... + 2054280084.
It is an arithmetic number, because the mean of its divisors is an integer number (4108560164).
Almost surely, 212325680489 is an apocalyptic number.
It is an amenable number.
12325680489 is a deficient number, since it is larger than the sum of its proper divisors (4108560167).
12325680489 is an equidigital number, since it uses as much as digits as its factorization.
12325680489 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 4108560166.
The product of its (nonzero) digits is 829440, while the sum is 48.
The spelling of 12325680489 in words is "twelve billion, three hundred twenty-five million, six hundred eighty thousand, four hundred eighty-nine".
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