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21230013110 = 252123001311
BaseRepresentation
bin10011110001011010…
…000100101010110110
32000210120000102000212
4103301122010222312
5321434340404420
613430344505422
71351046063645
oct236132045266
960716012025
1021230013110
119004875089
124145a7b272
13200447a047
1410557c935c
15843c343c5
hex4f1684ab6

21230013110 has 8 divisors (see below), whose sum is σ = 38214023616. Its totient is φ = 8492005240.

The previous prime is 21230013107. The next prime is 21230013113. The reversal of 21230013110 is 1131003212.

It is an interprime number because it is at equal distance from previous prime (21230013107) and next prime (21230013113).

It is a sphenic number, since it is the product of 3 distinct primes.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (21230013113) 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 3 ways as a sum of consecutive naturals, for example, 1061500646 + ... + 1061500665.

It is an arithmetic number, because the mean of its divisors is an integer number (4776752952).

Almost surely, 221230013110 is an apocalyptic number.

21230013110 is a deficient number, since it is larger than the sum of its proper divisors (16984010506).

21230013110 is a wasteful number, since it uses less digits than its factorization.

21230013110 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2123001318.

The product of its (nonzero) digits is 36, while the sum is 14.

Adding to 21230013110 its reverse (1131003212), we get a palindrome (22361016322).

The spelling of 21230013110 in words is "twenty-one billion, two hundred thirty million, thirteen thousand, one hundred ten".

Divisors: 1 2 5 10 2123001311 4246002622 10615006555 21230013110