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320030322011 = 370186471311
BaseRepresentation
bin1001010100000110100…
…10110010110101011011
31010121001110111210222022
410222003102302311123
520220410230301021
6403004144245055
732056435565531
oct4520322626533
91117043453868
10320030322011
111137a6856734
125203561078b
1324242891c5a
14116bd47c151
1584d0e191ab
hex4a834b2d5b

320030322011 has 4 divisors (see below), whose sum is σ = 320116797024. Its totient is φ = 319943847000.

The previous prime is 320030321987. The next prime is 320030322013. The reversal of 320030322011 is 110223030023.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 110223030023 = 683891611707.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-320030322011 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (320030322013) 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, 43231955 + ... + 43239356.

It is an arithmetic number, because the mean of its divisors is an integer number (80029199256).

Almost surely, 2320030322011 is an apocalyptic number.

320030322011 is a deficient number, since it is larger than the sum of its proper divisors (86475013).

320030322011 is an equidigital number, since it uses as much as digits as its factorization.

320030322011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 86475012.

The product of its (nonzero) digits is 216, while the sum is 17.

Adding to 320030322011 its reverse (110223030023), we get a palindrome (430253352034).

The spelling of 320030322011 in words is "three hundred twenty billion, thirty million, three hundred twenty-two thousand, eleven".

Divisors: 1 3701 86471311 320030322011