Base | Representation |
---|---|
bin | 101010111111000… |
… | …0110110100001001 |
3 | 10201112000200021121 |
4 | 1111332012310021 |
5 | 10423220003301 |
6 | 355042235241 |
7 | 50512503064 |
oct | 12576066411 |
9 | 3645020247 |
10 | 1442344201 |
11 | 680190601 |
12 | 343055b21 |
13 | 19ca8630c |
14 | d97b58db |
15 | 8695b3a1 |
hex | 55f86d09 |
1442344201 has 2 divisors, whose sum is σ = 1442344202. Its totient is φ = 1442344200.
The previous prime is 1442344199. The next prime is 1442344247. The reversal of 1442344201 is 1024432441.
It is a weak prime.
It can be written as a sum of positive squares in only one way, i.e., 1391364601 + 50979600 = 37301^2 + 7140^2 .
It is a cyclic number.
It is not a de Polignac number, because 1442344201 - 21 = 1442344199 is a prime.
Together with 1442344199, it forms a pair of twin primes.
It is not a weakly prime, because it can be changed into another prime (1442344291) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 721172100 + 721172101.
It is an arithmetic number, because the mean of its divisors is an integer number (721172101).
Almost surely, 21442344201 is an apocalyptic number.
It is an amenable number.
1442344201 is a deficient number, since it is larger than the sum of its proper divisors (1).
1442344201 is an equidigital number, since it uses as much as digits as its factorization.
1442344201 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 3072, while the sum is 25.
The square root of 1442344201 is about 37978.2069218651. The cubic root of 1442344201 is about 1129.8556739994.
Adding to 1442344201 its reverse (1024432441), we get a palindrome (2466776642).
The spelling of 1442344201 in words is "one billion, four hundred forty-two million, three hundred forty-four thousand, two hundred one".
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