Base | Representation |
---|---|
bin | 11011111101011010… |
… | …001101011101111101 |
3 | 2212111020101120122201 |
4 | 123331122031131331 |
5 | 442440423412313 |
6 | 21442552511501 |
7 | 2111645633050 |
oct | 337532153575 |
9 | 85436346581 |
10 | 30021310333 |
11 | 11806279883 |
12 | 599a0ab591 |
13 | 2aa5916a71 |
14 | 164b1d4a97 |
15 | baa9380dd |
hex | 6fd68d77d |
30021310333 has 16 divisors (see below), whose sum is σ = 34608921984. Its totient is φ = 25509314880.
The previous prime is 30021310289. The next prime is 30021310357. The reversal of 30021310333 is 33301312003.
It is a de Polignac number, because none of the positive numbers 2k-30021310333 is a prime.
It is a super-2 number, since 2×300213103332 (a number of 22 digits) contains 22 as substring.
It is a self number, because there is not a number n which added to its sum of digits gives 30021310333.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (30021310933) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 364266 + ... + 439012.
It is an arithmetic number, because the mean of its divisors is an integer number (2163057624).
Almost surely, 230021310333 is an apocalyptic number.
It is an amenable number.
30021310333 is a deficient number, since it is larger than the sum of its proper divisors (4587611651).
30021310333 is a wasteful number, since it uses less digits than its factorization.
30021310333 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 75252.
The product of its (nonzero) digits is 486, while the sum is 19.
Adding to 30021310333 its reverse (33301312003), we get a palindrome (63322622336).
The spelling of 30021310333 in words is "thirty billion, twenty-one million, three hundred ten thousand, three hundred thirty-three".
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