Base | Representation |
---|---|
bin | 111011101010111… |
… | …0111100010011011 |
3 | 12011112112101011011 |
4 | 1313111313202123 |
5 | 13100032034321 |
6 | 530402314351 |
7 | 100421412424 |
oct | 16725674233 |
9 | 5145471134 |
10 | 2002221211 |
11 | 938224481 |
12 | 47a6589b7 |
13 | 25ba743a3 |
14 | 14dcb664b |
15 | baba0ae1 |
hex | 7757789b |
2002221211 has 8 divisors (see below), whose sum is σ = 2070313344. Its totient is φ = 1934348160.
The previous prime is 2002221203. The next prime is 2002221241. The reversal of 2002221211 is 1121222002.
It is a happy number.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 2002221211 - 23 = 2002221203 is a prime.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 2002221191 and 2002221200.
It is not an unprimeable number, because it can be changed into a prime (2002221241) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 36076 + ... + 72841.
It is an arithmetic number, because the mean of its divisors is an integer number (258789168).
Almost surely, 22002221211 is an apocalyptic number.
2002221211 is a deficient number, since it is larger than the sum of its proper divisors (68092133).
2002221211 is a wasteful number, since it uses less digits than its factorization.
2002221211 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 109541.
The product of its (nonzero) digits is 32, while the sum is 13.
The square root of 2002221211 is about 44746.1865525991. The cubic root of 2002221211 is about 1260.3873024124.
Adding to 2002221211 its reverse (1121222002), we get a palindrome (3123443213).
The spelling of 2002221211 in words is "two billion, two million, two hundred twenty-one thousand, two hundred eleven".
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