Base | Representation |
---|---|
bin | 111011100111010… |
… | …0101001110110101 |
3 | 12011101221100010210 |
4 | 1313032211032311 |
5 | 13044034424341 |
6 | 530253340033 |
7 | 100366236066 |
oct | 16716451665 |
9 | 5141840123 |
10 | 2000311221 |
11 | 93713a477 |
12 | 479a97619 |
13 | 25b555c0c |
14 | 14d93a56d |
15 | ba924c16 |
hex | 773a53b5 |
2000311221 has 16 divisors (see below), whose sum is σ = 2761905600. Its totient is φ = 1286224128.
The previous prime is 2000311153. The next prime is 2000311237. The reversal of 2000311221 is 1221130002.
It is not a de Polignac number, because 2000311221 - 210 = 2000310197 is a prime.
It is a junction number, because it is equal to n+sod(n) for n = 2000311197 and 2000311206.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (2000311021) 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 15 ways as a sum of consecutive naturals, for example, 76390 + ... + 99176.
It is an arithmetic number, because the mean of its divisors is an integer number (172619100).
Almost surely, 22000311221 is an apocalyptic number.
It is an amenable number.
2000311221 is a deficient number, since it is larger than the sum of its proper divisors (761594379).
2000311221 is a wasteful number, since it uses less digits than its factorization.
2000311221 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 23828.
The product of its (nonzero) digits is 24, while the sum is 12.
The square root of 2000311221 is about 44724.8389712026. The cubic root of 2000311221 is about 1259.9863988202.
Adding to 2000311221 its reverse (1221130002), we get a palindrome (3221441223).
The spelling of 2000311221 in words is "two billion, three hundred eleven thousand, two hundred twenty-one".
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