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21300110201 = 37199572599
BaseRepresentation
bin10011110101100101…
…011110001101111001
32000222102220201011102
4103311211132031321
5322110312011301
613441331141145
71352556643436
oct236545361571
960872821142
1021300110201
1190403a2067
1241654447b5
132015b50b06
141060c34b8d
15849e7db6b
hex4f595e379

21300110201 has 4 divisors (see below), whose sum is σ = 21300720000. Its totient is φ = 21299500404.

The previous prime is 21300110171. The next prime is 21300110207. The reversal of 21300110201 is 10201100312.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-21300110201 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (21300110207) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 249101 + ... + 323498.

It is an arithmetic number, because the mean of its divisors is an integer number (5325180000).

Almost surely, 221300110201 is an apocalyptic number.

It is an amenable number.

21300110201 is a deficient number, since it is larger than the sum of its proper divisors (609799).

21300110201 is an equidigital number, since it uses as much as digits as its factorization.

21300110201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 609798.

The product of its (nonzero) digits is 12, while the sum is 11.

Adding to 21300110201 its reverse (10201100312), we get a palindrome (31501210513).

The spelling of 21300110201 in words is "twenty-one billion, three hundred million, one hundred ten thousand, two hundred one".

Divisors: 1 37199 572599 21300110201