Base | Representation |
---|---|
bin | 111011111100011… |
… | …1000111101111001 |
3 | 12012011210210222021 |
4 | 1313320320331321 |
5 | 13104404331410 |
6 | 531331154441 |
7 | 100562431036 |
oct | 16770707571 |
9 | 5164723867 |
10 | 2011402105 |
11 | 942425199 |
12 | 481745a21 |
13 | 26093a17b |
14 | 1511c638d |
15 | bb8b5eda |
hex | 77e38f79 |
2011402105 has 8 divisors (see below), whose sum is σ = 2453251464. Its totient is φ = 1582742400.
The previous prime is 2011402093. The next prime is 2011402117. The reversal of 2011402105 is 5012041102.
It is an interprime number because it is at equal distance from previous prime (2011402093) and next prime (2011402117).
It can be written as a sum of positive squares in 4 ways, for example, as 216354681 + 1795047424 = 14709^2 + 42368^2 .
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 2011402105 - 211 = 2011400057 is a prime.
It is a Duffinian number.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3297076 + ... + 3297685.
It is an arithmetic number, because the mean of its divisors is an integer number (306656433).
Almost surely, 22011402105 is an apocalyptic number.
It is an amenable number.
2011402105 is a deficient number, since it is larger than the sum of its proper divisors (441849359).
2011402105 is an equidigital number, since it uses as much as digits as its factorization.
2011402105 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 6594827.
The product of its (nonzero) digits is 80, while the sum is 16.
The square root of 2011402105 is about 44848.6577837063. The cubic root of 2011402105 is about 1262.3108062736.
Adding to 2011402105 its reverse (5012041102), we get a palindrome (7023443207).
The spelling of 2011402105 in words is "two billion, eleven million, four hundred two thousand, one hundred five".
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