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21341210330 = 2511238435261
BaseRepresentation
bin10011111000000010…
…010000011011011010
32001002022020210221102
4103320002100123122
5322201322212310
613445400111402
71353566203046
oct237002203332
961068223842
1021341210330
119061614210
124177165562
13202151130b
141066493026
1584d89b8a5
hex4f80906da

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".

Divisors: 1 2 5 10 11 22 23 46 55 110 115 230 253 506 1265 2530 8435261 16870522 42176305 84352610 92787871 185575742 194011003 388022006 463939355 927878710 970055015 1940110030 2134121033 4268242066 10670605165 21341210330