Base | Representation |
---|---|
bin | 111011111100010… |
… | …0011010000110001 |
3 | 12012011122022000112 |
4 | 1313320203100301 |
5 | 13104344010301 |
6 | 531325231105 |
7 | 100561610612 |
oct | 16770432061 |
9 | 5164568015 |
10 | 2011313201 |
11 | 942374417 |
12 | 481702495 |
13 | 260908871 |
14 | 1511a1c09 |
15 | bb8999bb |
hex | 77e23431 |
2011313201 has 4 divisors (see below), whose sum is σ = 2076194304. Its totient is φ = 1946432100.
The previous prime is 2011313137. The next prime is 2011313203. The reversal of 2011313201 is 1023131102.
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.
It is a cyclic number.
It is not a de Polignac number, because 2011313201 - 26 = 2011313137 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (2011313203) 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, 32440505 + ... + 32440566.
It is an arithmetic number, because the mean of its divisors is an integer number (519048576).
Almost surely, 22011313201 is an apocalyptic number.
It is an amenable number.
2011313201 is a deficient number, since it is larger than the sum of its proper divisors (64881103).
2011313201 is an equidigital number, since it uses as much as digits as its factorization.
2011313201 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 64881102.
The product of its (nonzero) digits is 36, while the sum is 14.
The square root of 2011313201 is about 44847.6666171162. Note that the first 4 decimals coincide. The cubic root of 2011313201 is about 1262.2922079480.
Adding to 2011313201 its reverse (1023131102), we get a palindrome (3034444303).
The spelling of 2011313201 in words is "two billion, eleven million, three hundred thirteen thousand, two hundred one".
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