Base | Representation |
---|---|
bin | 10110100100110110… |
… | …11001101110011101 |
3 | 1011021200112201111010 |
4 | 23102123121232131 |
5 | 144310301130323 |
6 | 5322404445433 |
7 | 606232063302 |
oct | 132233315635 |
9 | 34250481433 |
10 | 12120333213 |
11 | 515a68080a |
12 | 24230a9879 |
13 | 11b2077301 |
14 | 82d9c30a9 |
15 | 4ae0dec93 |
hex | 2d26d9b9d |
12120333213 has 16 divisors (see below), whose sum is σ = 16383983616. Its totient is φ = 7968796080.
The previous prime is 12120333193. The next prime is 12120333217. The reversal of 12120333213 is 31233302121.
It is not a de Polignac number, because 12120333213 - 217 = 12120202141 is a prime.
It is a self number, because there is not a number n which added to its sum of digits gives 12120333213.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (12120333217) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 99556 + ... + 184802.
It is an arithmetic number, because the mean of its divisors is an integer number (1023998976).
Almost surely, 212120333213 is an apocalyptic number.
It is an amenable number.
12120333213 is a deficient number, since it is larger than the sum of its proper divisors (4263650403).
12120333213 is an equidigital number, since it uses as much as digits as its factorization.
12120333213 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 85904.
The product of its (nonzero) digits is 648, while the sum is 21.
Adding to 12120333213 its reverse (31233302121), we get a palindrome (43353635334).
The spelling of 12120333213 in words is "twelve billion, one hundred twenty million, three hundred thirty-three thousand, two hundred thirteen".
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