Base | Representation |
---|---|
bin | 111011111100011… |
… | …1101010110001010 |
3 | 12012011211201120121 |
4 | 1313320331112022 |
5 | 13104410420132 |
6 | 531331413454 |
7 | 100562534242 |
oct | 16770752612 |
9 | 5164751517 |
10 | 2011420042 |
11 | 942437715 |
12 | 48175428a |
13 | 260945398 |
14 | 1511ccb22 |
15 | bb8bb497 |
hex | 77e3d58a |
2011420042 has 8 divisors (see below), whose sum is σ = 3194608356. Its totient is φ = 946550592.
The previous prime is 2011420007. The next prime is 2011420049. The reversal of 2011420042 is 2400241102.
It can be written as a sum of positive squares in 2 ways, for example, as 1828332081 + 183087961 = 42759^2 + 13531^2 .
It is a sphenic number, since it is the product of 3 distinct primes.
It is a super-3 number, since 3×20114200423 (a number of 29 digits) contains 333 as substring.
It is a junction number, because it is equal to n+sod(n) for n = 2011419998 and 2011420025.
It is not an unprimeable number, because it can be changed into a prime (2011420049) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 29579673 + ... + 29579740.
Almost surely, 22011420042 is an apocalyptic number.
2011420042 is a deficient number, since it is larger than the sum of its proper divisors (1183188314).
2011420042 is a wasteful number, since it uses less digits than its factorization.
2011420042 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 59159432.
The product of its (nonzero) digits is 128, while the sum is 16.
The square root of 2011420042 is about 44848.8577558002. The cubic root of 2011420042 is about 1262.3145585486.
Adding to 2011420042 its reverse (2400241102), we get a palindrome (4411661144).
The spelling of 2011420042 in words is "two billion, eleven million, four hundred twenty thousand, forty-two".
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