Base | Representation |
---|---|
bin | 1100011010101110… |
… | …1001010100101101 |
3 | 22121022020201102212 |
4 | 3012223221110231 |
5 | 23311313031341 |
6 | 1310432500205 |
7 | 145413560624 |
oct | 30653512455 |
9 | 8538221385 |
10 | 3333330221 |
11 | 146063a371 |
12 | 7903aa665 |
13 | 411782060 |
14 | 2389b46bb |
15 | 1479885eb |
hex | c6ae952d |
3333330221 has 8 divisors (see below), whose sum is σ = 3590610744. Its totient is φ = 3076174080.
The previous prime is 3333330179. The next prime is 3333330241. The reversal of 3333330221 is 1220333333.
It can be written as a sum of positive squares in 4 ways, for example, as 23629321 + 3309700900 = 4861^2 + 57530^2 .
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-3333330221 is a prime.
It is a super-2 number, since 2×33333302212 = 22222180724463817682, which contains 22 as substring.
It is a Duffinian number.
It is a Curzon number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (3333330241) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 28865 + ... + 86601.
It is an arithmetic number, because the mean of its divisors is an integer number (448826343).
Almost surely, 23333330221 is an apocalyptic number.
It is an amenable number.
3333330221 is a deficient number, since it is larger than the sum of its proper divisors (257280523).
3333330221 is a wasteful number, since it uses less digits than its factorization.
3333330221 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 62191.
The product of its (nonzero) digits is 2916, while the sum is 23.
The square root of 3333330221 is about 57734.9999653590. Note that the first 4 decimals coincide. The cubic root of 3333330221 is about 1493.8011172647.
Adding to 3333330221 its reverse (1220333333), we get a palindrome (4553663554).
The spelling of 3333330221 in words is "three billion, three hundred thirty-three million, three hundred thirty thousand, two hundred twenty-one".
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