Base | Representation |
---|---|
bin | 10001101010110100001… |
… | …000111010110001001101 |
3 | 11022002001220011222201012 |
4 | 101222310020322301031 |
5 | 124343141432423341 |
6 | 2325444104255005 |
7 | 153503040221531 |
oct | 21526410726115 |
9 | 4262056158635 |
10 | 1214203014221 |
11 | 428a38a4697a |
12 | 1773a2171465 |
13 | 8a663c97b32 |
14 | 42aa6969bc1 |
15 | 218b6a710eb |
hex | 11ab423ac4d |
1214203014221 has 8 divisors (see below), whose sum is σ = 1220435612088. Its totient is φ = 1207980288000.
The previous prime is 1214203014161. The next prime is 1214203014229. The reversal of 1214203014221 is 1224103024121.
It can be written as a sum of positive squares in 4 ways, for example, as 522528025321 + 691674988900 = 722861^2 + 831670^2 .
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 1214203014221 - 214 = 1214202997837 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (1214203014229) 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 in 7 ways as a sum of consecutive naturals, for example, 2221220 + ... + 2713341.
It is an arithmetic number, because the mean of its divisors is an integer number (152554451511).
Almost surely, 21214203014221 is an apocalyptic number.
It is an amenable number.
1214203014221 is a deficient number, since it is larger than the sum of its proper divisors (6232597867).
1214203014221 is a wasteful number, since it uses less digits than its factorization.
1214203014221 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 4935823.
The product of its (nonzero) digits is 768, while the sum is 23.
Adding to 1214203014221 its reverse (1224103024121), we get a palindrome (2438306038342).
The spelling of 1214203014221 in words is "one trillion, two hundred fourteen billion, two hundred three million, fourteen thousand, two hundred twenty-one".
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