Base | Representation |
---|---|
bin | 1101011110001011111… |
… | …1010011111011100101 |
3 | 211010101120001002121211 |
4 | 3113202333103323211 |
5 | 12242443011423323 |
6 | 254153414511421 |
7 | 22502223261130 |
oct | 3274277237345 |
9 | 733346032554 |
10 | 231441514213 |
11 | 8a176779198 |
12 | 38a31365571 |
13 | 18a95239860 |
14 | b2b7b67217 |
15 | 60488e370d |
hex | 35e2fd3ee5 |
231441514213 has 32 divisors (see below), whose sum is σ = 312879974400. Its totient is φ = 165938072256.
The previous prime is 231441514181. The next prime is 231441514217. The reversal of 231441514213 is 312415144132.
It is a happy number.
It is a cyclic number.
It is not a de Polignac number, because 231441514213 - 25 = 231441514181 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (231441514217) by changing a digit.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2870203 + ... + 2949736.
It is an arithmetic number, because the mean of its divisors is an integer number (9777499200).
Almost surely, 2231441514213 is an apocalyptic number.
231441514213 is a gapful number since it is divisible by the number (23) formed by its first and last digit.
It is an amenable number.
231441514213 is a deficient number, since it is larger than the sum of its proper divisors (81438460187).
231441514213 is a wasteful number, since it uses less digits than its factorization.
231441514213 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 5820001.
The product of its digits is 11520, while the sum is 31.
Adding to 231441514213 its reverse (312415144132), we get a palindrome (543856658345).
The spelling of 231441514213 in words is "two hundred thirty-one billion, four hundred forty-one million, five hundred fourteen thousand, two hundred thirteen".
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