Base | Representation |
---|---|
bin | 1101011110001001010… |
… | …0001100101010001001 |
3 | 211010100202202220012222 |
4 | 3113202110030222021 |
5 | 12242432113242413 |
6 | 254152332343425 |
7 | 22502025226553 |
oct | 3274224145211 |
9 | 733322686188 |
10 | 231430212233 |
11 | 8a170359910 |
12 | 38a29614b75 |
13 | 18a92ab04ac |
14 | b2b64644d3 |
15 | 604790eb08 |
hex | 35e250ca89 |
231430212233 has 8 divisors (see below), whose sum is σ = 253400946816. Its totient is φ = 209614748400.
The previous prime is 231430212187. The next prime is 231430212241. The reversal of 231430212233 is 332212034132.
It is a happy number.
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 231430212233 - 236 = 162710735497 is a prime.
It is a super-2 number, since 2×2314302122332 (a number of 24 digits) contains 22 as substring.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (231430217233) 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 7 ways as a sum of consecutive naturals, for example, 38814566 + ... + 38820527.
It is an arithmetic number, because the mean of its divisors is an integer number (31675118352).
Almost surely, 2231430212233 is an apocalyptic number.
It is an amenable number.
231430212233 is a deficient number, since it is larger than the sum of its proper divisors (21970734583).
231430212233 is a wasteful number, since it uses less digits than its factorization.
231430212233 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 77635375.
The product of its (nonzero) digits is 5184, while the sum is 26.
Adding to 231430212233 its reverse (332212034132), we get a palindrome (563642246365).
The spelling of 231430212233 in words is "two hundred thirty-one billion, four hundred thirty million, two hundred twelve thousand, two hundred thirty-three".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.073 sec. • engine limits •