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21300000211 = 73198156683
BaseRepresentation
bin10011110101100101…
…000011010111010011
32000222102201010021201
4103311211003113103
5322110300001321
613441324532031
71352556004660
oct236545032723
960872633251
1021300000211
119040327466
1241653b1017
132015b12a29
141060c06a67
15849e5b291
hex4f59435d3

21300000211 has 8 divisors (see below), whose sum is σ = 25128111104. Its totient is φ = 17668202760.

The previous prime is 21300000181. The next prime is 21300000221. The reversal of 21300000211 is 11200000312.

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 21300000211 - 227 = 21165782483 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (21300000221) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 49078125 + ... + 49078558.

It is an arithmetic number, because the mean of its divisors is an integer number (3141013888).

Almost surely, 221300000211 is an apocalyptic number.

21300000211 is a deficient number, since it is larger than the sum of its proper divisors (3828110893).

21300000211 is an equidigital number, since it uses as much as digits as its factorization.

21300000211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 98156721.

The product of its (nonzero) digits is 12, while the sum is 10.

Adding to 21300000211 its reverse (11200000312), we get a palindrome (32500000523).

The spelling of 21300000211 in words is "twenty-one billion, three hundred million, two hundred eleven", and thus it is an aban number.

Divisors: 1 7 31 217 98156683 687096781 3042857173 21300000211