Base | Representation |
---|---|
bin | 1110010110111… |
… | …01000101001101 |
3 | 22101122011000202 |
4 | 13023131011031 |
5 | 221313140323 |
6 | 15541303245 |
7 | 2661515252 |
oct | 713350515 |
9 | 271564022 |
10 | 120443213 |
11 | 61a94850 |
12 | 34404b25 |
13 | 1bc50897 |
14 | 11dd3429 |
15 | a891d28 |
hex | 72dd14d |
120443213 has 4 divisors (see below), whose sum is σ = 131392608. Its totient is φ = 109493820.
The previous prime is 120443173. The next prime is 120443233. The reversal of 120443213 is 312344021.
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 not a de Polignac number, because 120443213 - 26 = 120443149 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 (120443233) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5474681 + ... + 5474702.
It is an arithmetic number, because the mean of its divisors is an integer number (32848152).
Almost surely, 2120443213 is an apocalyptic number.
It is an amenable number.
120443213 is a deficient number, since it is larger than the sum of its proper divisors (10949395).
120443213 is a wasteful number, since it uses less digits than its factorization.
120443213 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 10949394.
The product of its (nonzero) digits is 576, while the sum is 20.
The square root of 120443213 is about 10974.6623182675. The cubic root of 120443213 is about 493.8489228062.
Adding to 120443213 its reverse (312344021), we get a palindrome (432787234).
The spelling of 120443213 in words is "one hundred twenty million, four hundred forty-three thousand, two hundred thirteen".
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