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144323120311 = 310397464963
BaseRepresentation
bin1000011001101001010…
…1000000110010110111
3111210112010102010221021
42012122111000302313
54331033204322221
6150145013202011
713266314165416
oct2063225006267
9453463363837
10144323120311
1156230703447
1223b79630307
13107c0417c56
146db185347d
153b4a521041
hex219a540cb7

144323120311 has 4 divisors (see below), whose sum is σ = 144323895672. Its totient is φ = 144322344952.

The previous prime is 144323120297. The next prime is 144323120351. The reversal of 144323120311 is 113021323441.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 144323120311 - 221 = 144321023159 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 (144323120351) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 77916 + ... + 542878.

It is an arithmetic number, because the mean of its divisors is an integer number (36080973918).

Almost surely, 2144323120311 is an apocalyptic number.

144323120311 is a deficient number, since it is larger than the sum of its proper divisors (775361).

144323120311 is an equidigital number, since it uses as much as digits as its factorization.

144323120311 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 775360.

The product of its (nonzero) digits is 1728, while the sum is 25.

Adding to 144323120311 its reverse (113021323441), we get a palindrome (257344443752).

The spelling of 144323120311 in words is "one hundred forty-four billion, three hundred twenty-three million, one hundred twenty thousand, three hundred eleven".

Divisors: 1 310397 464963 144323120311