Base | Representation |
---|---|
bin | 100011110011001… |
… | …1000111111111001 |
3 | 10002201100122000001 |
4 | 1013212120333321 |
5 | 4430004334301 |
6 | 315110513001 |
7 | 41524265341 |
oct | 10746307771 |
9 | 3081318001 |
10 | 1201246201 |
11 | 567088061 |
12 | 296365761 |
13 | 161b3c78c |
14 | b5775d21 |
15 | 706d4c01 |
hex | 47998ff9 |
1201246201 has 4 divisors (see below), whose sum is σ = 1209888400. Its totient is φ = 1192604004.
The previous prime is 1201246199. The next prime is 1201246229. The reversal of 1201246201 is 1026421021.
It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 1026421021 = 19 ⋅54022159.
It is a cyclic number.
It is not a de Polignac number, because 1201246201 - 21 = 1201246199 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (1201246801) 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 3 ways as a sum of consecutive naturals, for example, 4320891 + ... + 4321168.
It is an arithmetic number, because the mean of its divisors is an integer number (302472100).
Almost surely, 21201246201 is an apocalyptic number.
It is an amenable number.
1201246201 is a deficient number, since it is larger than the sum of its proper divisors (8642199).
1201246201 is an equidigital number, since it uses as much as digits as its factorization.
1201246201 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 8642198.
The product of its (nonzero) digits is 192, while the sum is 19.
The square root of 1201246201 is about 34658.9988458986. The cubic root of 1201246201 is about 1063.0262991859.
Adding to 1201246201 its reverse (1026421021), we get a palindrome (2227667222).
The spelling of 1201246201 in words is "one billion, two hundred one million, two hundred forty-six thousand, two hundred one".
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