Base | Representation |
---|---|
bin | 111011101010100… |
… | …0100100000110101 |
3 | 12011112010202110111 |
4 | 1313111010200311 |
5 | 13100003342323 |
6 | 530354023021 |
7 | 100416552205 |
oct | 16725044065 |
9 | 5145122414 |
10 | 2002012213 |
11 | 9380a1453 |
12 | 47a577a71 |
13 | 25ba00216 |
14 | 14dc60405 |
15 | bab5dc0d |
hex | 77544835 |
2002012213 has 2 divisors, whose sum is σ = 2002012214. Its totient is φ = 2002012212.
The previous prime is 2002012211. The next prime is 2002012219. The reversal of 2002012213 is 3122102002.
It is a weak prime.
It can be written as a sum of positive squares in only one way, i.e., 2001846564 + 165649 = 44742^2 + 407^2 .
It is a cyclic number.
It is not a de Polignac number, because 2002012213 - 21 = 2002012211 is a prime.
Together with 2002012211, it forms a pair of twin primes.
It is a junction number, because it is equal to n+sod(n) for n = 2002012193 and 2002012202.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (2002012211) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1001006106 + 1001006107.
It is an arithmetic number, because the mean of its divisors is an integer number (1001006107).
Almost surely, 22002012213 is an apocalyptic number.
It is an amenable number.
2002012213 is a deficient number, since it is larger than the sum of its proper divisors (1).
2002012213 is an equidigital number, since it uses as much as digits as its factorization.
2002012213 is an odious number, because the sum of its binary digits is odd.
The product of its (nonzero) digits is 48, while the sum is 13.
The square root of 2002012213 is about 44743.8511194555. The cubic root of 2002012213 is about 1260.3434465205.
Adding to 2002012213 its reverse (3122102002), we get a palindrome (5124114215).
It can be divided in two parts, 2002012 and 213, that added together give a square (2002225 = 14152).
The spelling of 2002012213 in words is "two billion, two million, twelve thousand, two hundred thirteen".
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