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21300211103 = 197281384779
BaseRepresentation
bin10011110101100101…
…110110110110011111
32000222110002211120112
4103311211312312133
5322110323223403
613441333240235
71352560543553
oct236545666637
960873084515
1021300211103
119040460956
12416549307b
132015b87a12
141060c5d863
15849e9d9d8
hex4f5976d9f

21300211103 has 8 divisors (see below), whose sum is σ = 21484576080. Its totient is φ = 21116616640.

The previous prime is 21300211099. The next prime is 21300211111. The reversal of 21300211103 is 30111200312.

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

It is a cyclic number.

It is not a de Polignac number, because 21300211103 - 22 = 21300211099 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (21300211903) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 137033 + ... + 247746.

It is an arithmetic number, because the mean of its divisors is an integer number (2685572010).

Almost surely, 221300211103 is an apocalyptic number.

21300211103 is a deficient number, since it is larger than the sum of its proper divisors (184364977).

21300211103 is a wasteful number, since it uses less digits than its factorization.

21300211103 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 385257.

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

Adding to 21300211103 its reverse (30111200312), we get a palindrome (51411411415).

The spelling of 21300211103 in words is "twenty-one billion, three hundred million, two hundred eleven thousand, one hundred three".

Divisors: 1 197 281 55357 384779 75801463 108122899 21300211103