Base | Representation |
---|---|
bin | 1011001101001100001010… |
… | …0111011000110110000101 |
3 | 1121121220020210110102212021 |
4 | 2303103002213120312011 |
5 | 3103332340203411323 |
6 | 42112143455523141 |
7 | 2411115412053430 |
oct | 263230247306605 |
9 | 47556223412767 |
10 | 12321231310213 |
11 | 3a2044a951771 |
12 | 146bb2b5294b1 |
13 | 6b4b6c030a37 |
14 | 3084ca766817 |
15 | 1657844bd05d |
hex | b34c29d8d85 |
12321231310213 has 32 divisors (see below), whose sum is σ = 14588040591360. Its totient is φ = 10183592263680.
The previous prime is 12321231310183. The next prime is 12321231310229. The reversal of 12321231310213 is 31201313212321.
It is a cyclic number.
It is not a de Polignac number, because 12321231310213 - 29 = 12321231309701 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (12321231310813) by changing a digit.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 79955445 + ... + 80109397.
It is an arithmetic number, because the mean of its divisors is an integer number (455876268480).
Almost surely, 212321231310213 is an apocalyptic number.
It is an amenable number.
12321231310213 is a deficient number, since it is larger than the sum of its proper divisors (2266809281147).
12321231310213 is a wasteful number, since it uses less digits than its factorization.
12321231310213 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 155317.
The product of its (nonzero) digits is 1296, while the sum is 25.
Adding to 12321231310213 its reverse (31201313212321), we get a palindrome (43522544522534).
The spelling of 12321231310213 in words is "twelve trillion, three hundred twenty-one billion, two hundred thirty-one million, three hundred ten thousand, two hundred thirteen".
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