Base | Representation |
---|---|
bin | 111011111111000… |
… | …0000101011010001 |
3 | 12012021100000020221 |
4 | 1313332000223101 |
5 | 13110230310101 |
6 | 531420033041 |
7 | 100610021323 |
oct | 16776005321 |
9 | 5167300227 |
10 | 2012744401 |
11 | 943161728 |
12 | 482092781 |
13 | 260cba125 |
14 | 151455613 |
15 | bba7daa1 |
hex | 77f80ad1 |
2012744401 has 4 divisors (see below), whose sum is σ = 2014893412. Its totient is φ = 2010595392.
The previous prime is 2012744381. The next prime is 2012744413. The reversal of 2012744401 is 1044472102.
It is a semiprime because it is the product of two primes.
It can be written as a sum of positive squares in 2 ways, for example, as 974938176 + 1037806225 = 31224^2 + 32215^2 .
It is a cyclic number.
It is not a de Polignac number, because 2012744401 - 25 = 2012744369 is a prime.
It is a super-2 number, since 2×20127444012 = 8102280047513697602, which contains 22 as substring.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (2012744431) 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 3 ways as a sum of consecutive naturals, for example, 1073100 + ... + 1074973.
It is an arithmetic number, because the mean of its divisors is an integer number (503723353).
Almost surely, 22012744401 is an apocalyptic number.
It is an amenable number.
2012744401 is a deficient number, since it is larger than the sum of its proper divisors (2149011).
2012744401 is an equidigital number, since it uses as much as digits as its factorization.
2012744401 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 2149010.
The product of its (nonzero) digits is 1792, while the sum is 25.
The square root of 2012744401 is about 44863.6200166683. The cubic root of 2012744401 is about 1262.5915421124.
The spelling of 2012744401 in words is "two billion, twelve million, seven hundred forty-four thousand, four hundred one".
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