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221330133223 = 827267630149
BaseRepresentation
bin1100111000100001001…
…1011101000011100111
3210011021212200201111121
43032020103131003213
512111241003230343
6245402212514411
721663524043223
oct3161023350347
9704255621447
10221330133223
11859580a9a81
1236a8b01ba07
1317b43452594
14a9d8ccd783
155b55d83aed
hex33884dd0e7

221330133223 has 4 divisors (see below), whose sum is σ = 221597764200. Its totient is φ = 221062502248.

The previous prime is 221330133191. The next prime is 221330133281. The reversal of 221330133223 is 322331033122.

221330133223 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 221330133223 - 25 = 221330133191 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 (221330133293) 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 3 ways as a sum of consecutive naturals, for example, 133814248 + ... + 133815901.

It is an arithmetic number, because the mean of its divisors is an integer number (55399441050).

Almost surely, 2221330133223 is an apocalyptic number.

221330133223 is a deficient number, since it is larger than the sum of its proper divisors (267630977).

221330133223 is an equidigital number, since it uses as much as digits as its factorization.

221330133223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 267630976.

The product of its (nonzero) digits is 3888, while the sum is 25.

Adding to 221330133223 its reverse (322331033122), we get a palindrome (543661166345).

The spelling of 221330133223 in words is "two hundred twenty-one billion, three hundred thirty million, one hundred thirty-three thousand, two hundred twenty-three".

Divisors: 1 827 267630149 221330133223