Base | Representation |
---|---|
bin | 111111001110000… |
… | …1111001001100111 |
3 | 12110211122210111001 |
4 | 1332130033021213 |
5 | 13321030100203 |
6 | 550255254131 |
7 | 103366006240 |
oct | 17634171147 |
9 | 5424583431 |
10 | 2121331303 |
11 | 999488673 |
12 | 4b251a347 |
13 | 27a649230 |
14 | 161a3dcc7 |
15 | c637c91d |
hex | 7e70f267 |
2121331303 has 32 divisors (see below), whose sum is σ = 2663079552. Its totient is φ = 1645056000.
The previous prime is 2121331301. The next prime is 2121331321. The reversal of 2121331303 is 3031331212.
It is not a de Polignac number, because 2121331303 - 21 = 2121331301 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (2121331301) 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 31 ways as a sum of consecutive naturals, for example, 2225475 + ... + 2226427.
It is an arithmetic number, because the mean of its divisors is an integer number (83221236).
Almost surely, 22121331303 is an apocalyptic number.
2121331303 is a deficient number, since it is larger than the sum of its proper divisors (541748249).
2121331303 is a wasteful number, since it uses less digits than its factorization.
2121331303 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1435.
The product of its (nonzero) digits is 324, while the sum is 19.
The square root of 2121331303 is about 46057.9124906894. The cubic root of 2121331303 is about 1284.9005061576.
Adding to 2121331303 its reverse (3031331212), we get a palindrome (5152662515).
Subtracting 2121331303 from its reverse (3031331212), we obtain a palindrome (909999909).
The spelling of 2121331303 in words is "two billion, one hundred twenty-one million, three hundred thirty-one thousand, three hundred three".
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