Base | Representation |
---|---|
bin | 100011110101000… |
… | …0010001001111101 |
3 | 10002210011011000212 |
4 | 1013222002021331 |
5 | 4430230414323 |
6 | 315143202205 |
7 | 41535353543 |
oct | 10752021175 |
9 | 3083134025 |
10 | 1202201213 |
11 | 56767a624 |
12 | 296746365 |
13 | 1620b5385 |
14 | b5943d93 |
15 | 70822b78 |
hex | 47a8227d |
1202201213 has 2 divisors, whose sum is σ = 1202201214. Its totient is φ = 1202201212.
The previous prime is 1202201207. The next prime is 1202201227. The reversal of 1202201213 is 3121022021.
It is a happy number.
It is an a-pointer prime, because the next prime (1202201227) can be obtained adding 1202201213 to its sum of digits (14).
It is a weak prime.
It can be written as a sum of positive squares in only one way, i.e., 1062890404 + 139310809 = 32602^2 + 11803^2 .
It is a cyclic number.
It is not a de Polignac number, because 1202201213 - 28 = 1202200957 is a prime.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (1202201233) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 601100606 + 601100607.
It is an arithmetic number, because the mean of its divisors is an integer number (601100607).
Almost surely, 21202201213 is an apocalyptic number.
It is an amenable number.
1202201213 is a deficient number, since it is larger than the sum of its proper divisors (1).
1202201213 is an equidigital number, since it uses as much as digits as its factorization.
1202201213 is an odious number, because the sum of its binary digits is odd.
The product of its (nonzero) digits is 48, while the sum is 14.
The square root of 1202201213 is about 34672.7733675863. The cubic root of 1202201213 is about 1063.3079328080.
Adding to 1202201213 its reverse (3121022021), we get a palindrome (4323223234).
The spelling of 1202201213 in words is "one billion, two hundred two million, two hundred one thousand, two hundred thirteen".
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