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320132123 = 1072991889
BaseRepresentation
bin10011000101001…
…101010000011011
3211022101101201022
4103011031100123
51123423211443
651433313055
710635035543
oct2305152033
9738341638
10320132123
11154785003
128b26578b
13514293bc
1430734323
151d188e68
hex1314d41b

320132123 has 4 divisors (see below), whose sum is σ = 323124120. Its totient is φ = 317140128.

The previous prime is 320132089. The next prime is 320132129. The reversal of 320132123 is 321231023.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 321231023 = 417834903.

It is a cyclic number.

It is not a de Polignac number, because 320132123 - 212 = 320128027 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (320132129) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1495838 + ... + 1496051.

It is an arithmetic number, because the mean of its divisors is an integer number (80781030).

Almost surely, 2320132123 is an apocalyptic number.

320132123 is a deficient number, since it is larger than the sum of its proper divisors (2991997).

320132123 is a wasteful number, since it uses less digits than its factorization.

320132123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2991996.

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

The square root of 320132123 is about 17892.2363890040. The cubic root of 320132123 is about 684.0845020312.

Adding to 320132123 its reverse (321231023), we get a palindrome (641363146).

The spelling of 320132123 in words is "three hundred twenty million, one hundred thirty-two thousand, one hundred twenty-three".

Divisors: 1 107 2991889 320132123