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33234343213 = 53987615599
BaseRepresentation
bin11110111100111010…
…111101010100101101
310011210011021120011111
4132330322331110231
51021030442440323
623133451152021
72254402153621
oct367472752455
9104704246144
1033234343213
1113104a13a55
126536145611
133198499756
141873c13181
15ce7a5cc0d
hex7bcebd52d

33234343213 has 4 divisors (see below), whose sum is σ = 33235012800. Its totient is φ = 33233673628.

The previous prime is 33234343133. The next prime is 33234343223. The reversal of 33234343213 is 31234343233.

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-33234343213 is a prime.

It is a super-2 number, since 2×332343432132 (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (33234343223) 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 3 ways as a sum of consecutive naturals, for example, 253813 + ... + 361786.

It is an arithmetic number, because the mean of its divisors is an integer number (8308753200).

Almost surely, 233234343213 is an apocalyptic number.

It is an amenable number.

33234343213 is a deficient number, since it is larger than the sum of its proper divisors (669587).

33234343213 is an equidigital number, since it uses as much as digits as its factorization.

33234343213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 669586.

The product of its digits is 46656, while the sum is 31.

Adding to 33234343213 its reverse (31234343233), we get a palindrome (64468686446).

The spelling of 33234343213 in words is "thirty-three billion, two hundred thirty-four million, three hundred forty-three thousand, two hundred thirteen".

Divisors: 1 53987 615599 33234343213