Base | Representation |
---|---|
bin | 10110010110101010… |
… | …10101101010101101 |
3 | 1010222101120101000121 |
4 | 23023111111222231 |
5 | 144034313200323 |
6 | 5302513324541 |
7 | 603255252124 |
oct | 131325255255 |
9 | 33871511017 |
10 | 12001303213 |
11 | 50a9471809 |
12 | 23ab266751 |
13 | 11934cca63 |
14 | 81bc7aabb |
15 | 4a392ba5d |
hex | 2cb555aad |
12001303213 has 2 divisors, whose sum is σ = 12001303214. Its totient is φ = 12001303212.
The previous prime is 12001303183. The next prime is 12001303217. The reversal of 12001303213 is 31230310021.
It is a strong prime.
It can be written as a sum of positive squares in only one way, i.e., 11852023689 + 149279524 = 108867^2 + 12218^2 .
It is a cyclic number.
It is not a de Polignac number, because 12001303213 - 29 = 12001302701 is a prime.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (12001303217) 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 as a sum of consecutive naturals, namely, 6000651606 + 6000651607.
It is an arithmetic number, because the mean of its divisors is an integer number (6000651607).
Almost surely, 212001303213 is an apocalyptic number.
It is an amenable number.
12001303213 is a deficient number, since it is larger than the sum of its proper divisors (1).
12001303213 is an equidigital number, since it uses as much as digits as its factorization.
12001303213 is an odious number, because the sum of its binary digits is odd.
The product of its (nonzero) digits is 108, while the sum is 16.
Adding to 12001303213 its reverse (31230310021), we get a palindrome (43231613234).
The spelling of 12001303213 in words is "twelve billion, one million, three hundred three thousand, two hundred thirteen".
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