Base | Representation |
---|---|
bin | 1010110001111011001… |
… | …1100100110010001111 |
3 | 122201000221021122101110 |
4 | 2230132303210302033 |
5 | 11013242302231343 |
6 | 221025131543103 |
7 | 16244303453154 |
oct | 2543663446217 |
9 | 581027248343 |
10 | 185200430223 |
11 | 715a78a63a6 |
12 | 2ba872baa93 |
13 | 1460617b1b3 |
14 | 8d6c75222b |
15 | 4c3e051833 |
hex | 2b1ece4c8f |
185200430223 has 4 divisors (see below), whose sum is σ = 246933906968. Its totient is φ = 123466953480.
The previous prime is 185200430209. The next prime is 185200430231. The reversal of 185200430223 is 322034002581.
It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 322034002581 = 3 ⋅107344667527.
It is not a de Polignac number, because 185200430223 - 212 = 185200426127 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 (185200430203) 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, 30866738368 + ... + 30866738373.
It is an arithmetic number, because the mean of its divisors is an integer number (61733476742).
Almost surely, 2185200430223 is an apocalyptic number.
185200430223 is a deficient number, since it is larger than the sum of its proper divisors (61733476745).
185200430223 is an equidigital number, since it uses as much as digits as its factorization.
185200430223 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 61733476744.
The product of its (nonzero) digits is 11520, while the sum is 30.
The spelling of 185200430223 in words is "one hundred eighty-five billion, two hundred million, four hundred thirty thousand, two hundred twenty-three".
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