Base | Representation |
---|---|
bin | 1011000110101110101110… |
… | …1111010110110100001101 |
3 | 1121020021210110112012110201 |
4 | 2301223223233112310031 |
5 | 3100023044020141323 |
6 | 41545151250333501 |
7 | 2400106300343155 |
oct | 261535357266415 |
9 | 47207713465421 |
10 | 12210252115213 |
11 | 398837aaa8999 |
12 | 145251888a291 |
13 | 6a75639cc609 |
14 | 302d9d4cd765 |
15 | 16293b4538ad |
hex | b1aebbd6d0d |
12210252115213 has 2 divisors, whose sum is σ = 12210252115214. Its totient is φ = 12210252115212.
The previous prime is 12210252115169. The next prime is 12210252115219. The reversal of 12210252115213 is 31251125201221.
It is a strong prime.
It can be written as a sum of positive squares in only one way, i.e., 6836771137284 + 5373480977929 = 2614722^2 + 2318077^2 .
It is a cyclic number.
It is not a de Polignac number, because 12210252115213 - 229 = 12209715244301 is a prime.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (12210252115219) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6105126057606 + 6105126057607.
It is an arithmetic number, because the mean of its divisors is an integer number (6105126057607).
Almost surely, 212210252115213 is an apocalyptic number.
It is an amenable number.
12210252115213 is a deficient number, since it is larger than the sum of its proper divisors (1).
12210252115213 is an equidigital number, since it uses as much as digits as its factorization.
12210252115213 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 2400, while the sum is 28.
Adding to 12210252115213 its reverse (31251125201221), we get a palindrome (43461377316434).
The spelling of 12210252115213 in words is "twelve trillion, two hundred ten billion, two hundred fifty-two million, one hundred fifteen thousand, two hundred thirteen".
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