Base | Representation |
---|---|
bin | 111011101010111… |
… | …0111100010011100 |
3 | 12011112112101011012 |
4 | 1313111313202130 |
5 | 13100032034322 |
6 | 530402314352 |
7 | 100421412425 |
oct | 16725674234 |
9 | 5145471135 |
10 | 2002221212 |
11 | 938224482 |
12 | 47a6589b8 |
13 | 25ba743a4 |
14 | 14dcb664c |
15 | baba0ae2 |
hex | 7757789c |
2002221212 has 24 divisors (see below), whose sum is σ = 3587489136. Its totient is φ = 977251968.
The previous prime is 2002221203. The next prime is 2002221241. The reversal of 2002221212 is 2121222002.
It is a super-3 number, since 3×20022212123 (a number of 29 digits) contains 333 as substring.
It is a congruent number.
It is an unprimeable number.
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 7 ways as a sum of consecutive naturals, for example, 520448 + ... + 524280.
It is an arithmetic number, because the mean of its divisors is an integer number (149478714).
Almost surely, 22002221212 is an apocalyptic number.
It is an amenable number.
2002221212 is a deficient number, since it is larger than the sum of its proper divisors (1585267924).
2002221212 is a wasteful number, since it uses less digits than its factorization.
2002221212 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 6917 (or 6915 counting only the distinct ones).
The product of its (nonzero) digits is 64, while the sum is 14.
The square root of 2002221212 is about 44746.1865637732. The cubic root of 2002221212 is about 1260.3873026223.
Adding to 2002221212 its reverse (2121222002), we get a palindrome (4123443214).
The spelling of 2002221212 in words is "two billion, two million, two hundred twenty-one thousand, two hundred twelve".
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