Base | Representation |
---|---|
bin | 110100100011100101101111… |
… | …010011011001000100010011 |
3 | 1010022102011101022022211122111 |
4 | 310203211233103121010103 |
5 | 220244031130303320334 |
6 | 2135334051024450151 |
7 | 66454416554214310 |
oct | 6443455723310423 |
9 | 1108364338284574 |
10 | 231144122323219 |
11 | 67716743155926 |
12 | 21b11342a79957 |
13 | 9bc8a49608851 |
14 | 411161431bd07 |
15 | 1bac8c818a064 |
hex | d2396f4d9113 |
231144122323219 has 8 divisors (see below), whose sum is σ = 264312868678400. Its totient is φ = 198012415331016.
The previous prime is 231144122323217. The next prime is 231144122323379. The reversal of 231144122323219 is 912323221441132.
231144122323219 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 231144122323219 - 21 = 231144122323217 is a prime.
It is a super-2 number, since 2×2311441223232192 (a number of 30 digits) contains 22 as substring.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (231144122323217) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9259827369 + ... + 9259852330.
It is an arithmetic number, because the mean of its divisors is an integer number (33039108584800).
Almost surely, 2231144122323219 is an apocalyptic number.
231144122323219 is a deficient number, since it is larger than the sum of its proper divisors (33168746355181).
231144122323219 is a wasteful number, since it uses less digits than its factorization.
231144122323219 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 18519681489.
The product of its digits is 124416, while the sum is 40.
The spelling of 231144122323219 in words is "two hundred thirty-one trillion, one hundred forty-four billion, one hundred twenty-two million, three hundred twenty-three thousand, two hundred nineteen".
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