Base | Representation |
---|---|
bin | 1101011101100101100… |
… | …0000000000001011111 |
3 | 211002222022112012110222 |
4 | 3113121120000001133 |
5 | 12242130213322421 |
6 | 254125413351555 |
7 | 22465224245342 |
oct | 3273130000137 |
9 | 732868465428 |
10 | 231280214111 |
11 | 8a0a3719021 |
12 | 389a73385bb |
13 | 18a6a9b23cb |
14 | b2a057a459 |
15 | 6039680cab |
hex | 35d960005f |
231280214111 has 8 divisors (see below), whose sum is σ = 235523783040. Its totient is φ = 227047430808.
The previous prime is 231280214057. The next prime is 231280214129. The reversal of 231280214111 is 111412082132.
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 231280214111 - 214 = 231280197727 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 (231280214161) 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, 2653121 + ... + 2738906.
It is an arithmetic number, because the mean of its divisors is an integer number (29440472880).
Almost surely, 2231280214111 is an apocalyptic number.
231280214111 is a deficient number, since it is larger than the sum of its proper divisors (4243568929).
231280214111 is an equidigital number, since it uses as much as digits as its factorization.
231280214111 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 5392813.
The product of its (nonzero) digits is 768, while the sum is 26.
Adding to 231280214111 its reverse (111412082132), we get a palindrome (342692296243).
The spelling of 231280214111 in words is "two hundred thirty-one billion, two hundred eighty million, two hundred fourteen thousand, one hundred eleven".
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