Base | Representation |
---|---|
bin | 111011111101111… |
… | …1100000011110001 |
3 | 12012020022102010102 |
4 | 1313323330003301 |
5 | 13110110414301 |
6 | 531400242145 |
7 | 100602266543 |
oct | 16773740361 |
9 | 5166272112 |
10 | 2012201201 |
11 | 9429205aa |
12 | 481a70355 |
13 | 260b59aca |
14 | 151353693 |
15 | bb9c2b6b |
hex | 77efc0f1 |
2012201201 has 4 divisors (see below), whose sum is σ = 2013550452. Its totient is φ = 2010851952.
The previous prime is 2012201197. The next prime is 2012201237. The reversal of 2012201201 is 1021022102.
It is a happy number.
It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1021022102 = 2 ⋅510511051.
It can be written as a sum of positive squares in 2 ways, for example, as 1806250000 + 205951201 = 42500^2 + 14351^2 .
It is a cyclic number.
It is not a de Polignac number, because 2012201201 - 22 = 2012201197 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (2012201291) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 672386 + ... + 675371.
It is an arithmetic number, because the mean of its divisors is an integer number (503387613).
Almost surely, 22012201201 is an apocalyptic number.
It is an amenable number.
2012201201 is a deficient number, since it is larger than the sum of its proper divisors (1349251).
2012201201 is a wasteful number, since it uses less digits than its factorization.
2012201201 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1349250.
The product of its (nonzero) digits is 16, while the sum is 11.
The square root of 2012201201 is about 44857.5657052408. The cubic root of 2012201201 is about 1262.4779490447.
Adding to 2012201201 its reverse (1021022102), we get a palindrome (3033223303).
The spelling of 2012201201 in words is "two billion, twelve million, two hundred one thousand, two hundred one".
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