Base | Representation |
---|---|
bin | 111011111100000… |
… | …1010100110101001 |
3 | 12012011110011110210 |
4 | 1313320022212221 |
5 | 13104332242301 |
6 | 531323131333 |
7 | 100561010265 |
oct | 16770124651 |
9 | 5164404423 |
10 | 2011212201 |
11 | 942305549 |
12 | 481673b49 |
13 | 2608a18bb |
14 | 1511770a5 |
15 | bb879ad6 |
hex | 77e0a9a9 |
2011212201 has 8 divisors (see below), whose sum is σ = 2684537920. Its totient is φ = 1339347312.
The previous prime is 2011212199. The next prime is 2011212221. The reversal of 2011212201 is 1022121102.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 2011212201 - 21 = 2011212199 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (2011212221) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 361990 + ... + 367503.
It is an arithmetic number, because the mean of its divisors is an integer number (335567240).
Almost surely, 22011212201 is an apocalyptic number.
It is an amenable number.
2011212201 is a deficient number, since it is larger than the sum of its proper divisors (673325719).
2011212201 is an equidigital number, since it uses as much as digits as its factorization.
2011212201 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 730415.
The product of its (nonzero) digits is 16, while the sum is 12.
The square root of 2011212201 is about 44846.5405689224. The cubic root of 2011212201 is about 1262.2710785275.
Adding to 2011212201 its reverse (1022121102), we get a palindrome (3033333303).
The spelling of 2011212201 in words is "two billion, eleven million, two hundred twelve thousand, two hundred one".
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