Base | Representation |
---|---|
bin | 10001101010111010010… |
… | …010101000110010000001 |
3 | 11022002100002101122200001 |
4 | 101222322102220302001 |
5 | 124343344343202111 |
6 | 2325502232400001 |
7 | 153505432416442 |
oct | 21527222506201 |
9 | 4262302348601 |
10 | 1214306225281 |
11 | 428a91230976 |
12 | 177410846001 |
13 | 8a67c494076 |
14 | 42ab65552c9 |
15 | 218c0b5c1c1 |
hex | 11aba4a8c81 |
1214306225281 has 2 divisors, whose sum is σ = 1214306225282. Its totient is φ = 1214306225280.
The previous prime is 1214306225203. The next prime is 1214306225309. The reversal of 1214306225281 is 1825226034121.
It is a strong prime.
It can be written as a sum of positive squares in only one way, i.e., 855995040000 + 358311185281 = 925200^2 + 598591^2 .
It is a cyclic number.
It is not a de Polignac number, because 1214306225281 - 211 = 1214306223233 is a prime.
It is a super-2 number, since 2×12143062252812 (a number of 25 digits) contains 22 as substring.
It is a self number, because there is not a number n which added to its sum of digits gives 1214306225281.
It is not a weakly prime, because it can be changed into another prime (1214306226281) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 607153112640 + 607153112641.
It is an arithmetic number, because the mean of its divisors is an integer number (607153112641).
Almost surely, 21214306225281 is an apocalyptic number.
It is an amenable number.
1214306225281 is a deficient number, since it is larger than the sum of its proper divisors (1).
1214306225281 is an equidigital number, since it uses as much as digits as its factorization.
1214306225281 is an odious number, because the sum of its binary digits is odd.
The product of its (nonzero) digits is 46080, while the sum is 37.
The spelling of 1214306225281 in words is "one trillion, two hundred fourteen billion, three hundred six million, two hundred twenty-five thousand, two hundred eighty-one".
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