Base | Representation |
---|---|
bin | 10011111000000010… |
… | …010000011011011010 |
3 | 2001002022020210221102 |
4 | 103320002100123122 |
5 | 322201322212310 |
6 | 13445400111402 |
7 | 1353566203046 |
oct | 237002203332 |
9 | 61068223842 |
10 | 21341210330 |
11 | 9061614210 |
12 | 4177165562 |
13 | 202151130b |
14 | 1066493026 |
15 | 84d89b8a5 |
hex | 4f80906da |
21341210330 has 32 divisors (see below), whose sum is σ = 43728398208. Its totient is φ = 7423028800.
The previous prime is 21341210329. The next prime is 21341210333. The reversal of 21341210330 is 3301214312.
It is not an unprimeable number, because it can be changed into a prime (21341210333) 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, 4215101 + ... + 4220160.
It is an arithmetic number, because the mean of its divisors is an integer number (1366512444).
Almost surely, 221341210330 is an apocalyptic number.
21341210330 is an abundant number, since it is smaller than the sum of its proper divisors (22387187878).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
21341210330 is a wasteful number, since it uses less digits than its factorization.
21341210330 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 8435302.
The product of its (nonzero) digits is 432, while the sum is 20.
Adding to 21341210330 its reverse (3301214312), we get a palindrome (24642424642).
The spelling of 21341210330 in words is "twenty-one billion, three hundred forty-one million, two hundred ten thousand, three hundred thirty".
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