Base | Representation |
---|---|
bin | 11100001001010100… |
… | …110001001011001001 |
3 | 2220000011112112212200 |
4 | 130021110301023021 |
5 | 443343112212223 |
6 | 21514453230413 |
7 | 2116624022610 |
oct | 341124611311 |
9 | 86004475780 |
10 | 30221210313 |
11 | 118a90a3678 |
12 | 5a35032409 |
13 | 2b08167688 |
14 | 166998c877 |
15 | bbd272a43 |
hex | 7095312c9 |
30221210313 has 12 divisors (see below), whose sum is σ = 49888982208. Its totient is φ = 17269263000.
The previous prime is 30221210309. The next prime is 30221210351. The reversal of 30221210313 is 31301212203.
It is not a de Polignac number, because 30221210313 - 22 = 30221210309 is a prime.
It is not an unprimeable number, because it can be changed into a prime (30221210113) by changing a digit.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 239850813 + ... + 239850938.
It is an arithmetic number, because the mean of its divisors is an integer number (4157415184).
Almost surely, 230221210313 is an apocalyptic number.
It is an amenable number.
30221210313 is a deficient number, since it is larger than the sum of its proper divisors (19667771895).
30221210313 is a wasteful number, since it uses less digits than its factorization.
30221210313 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 479701764 (or 479701761 counting only the distinct ones).
The product of its (nonzero) digits is 216, while the sum is 18.
Adding to 30221210313 its reverse (31301212203), we get a palindrome (61522422516).
The spelling of 30221210313 in words is "thirty billion, two hundred twenty-one million, two hundred ten thousand, three hundred thirteen".
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