Base | Representation |
---|---|
bin | 10110111100110100… |
… | …00100010111111001 |
3 | 1011210200201102002021 |
4 | 23132122010113321 |
5 | 200213223411301 |
6 | 5354344234441 |
7 | 614222260114 |
oct | 133632042771 |
9 | 34720642067 |
10 | 12321310201 |
11 | 52530707a2 |
12 | 247a46ba21 |
13 | 12148b41c5 |
14 | 84c57b57b |
15 | 4c1a8d8a1 |
hex | 2de6845f9 |
12321310201 has 8 divisors (see below), whose sum is σ = 13364291304. Its totient is φ = 11313684480.
The previous prime is 12321310181. The next prime is 12321310207. The reversal of 12321310201 is 10201312321.
It can be written as a sum of positive squares in 4 ways, for example, as 22278400 + 12299031801 = 4720^2 + 110901^2 .
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-12321310201 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (12321310207) 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, 8838120 + ... + 8839513.
It is an arithmetic number, because the mean of its divisors is an integer number (1670536413).
Almost surely, 212321310201 is an apocalyptic number.
It is an amenable number.
12321310201 is a deficient number, since it is larger than the sum of its proper divisors (1042981103).
12321310201 is a wasteful number, since it uses less digits than its factorization.
12321310201 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 17677691.
The product of its (nonzero) digits is 72, while the sum is 16.
Adding to 12321310201 its reverse (10201312321), we get a palindrome (22522622522).
The spelling of 12321310201 in words is "twelve billion, three hundred twenty-one million, three hundred ten thousand, two hundred one".
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