Base | Representation |
---|---|
bin | 1101011101101010111… |
… | …1101111010000101011 |
3 | 211010000220210201120021 |
4 | 3113122233233100223 |
5 | 12242202110322443 |
6 | 254131554341311 |
7 | 22465623610642 |
oct | 3273257572053 |
9 | 733026721507 |
10 | 231303214123 |
11 | 8a1056a82a3 |
12 | 389b2b8a837 |
13 | 18a726a6197 |
14 | b2a3646359 |
15 | 603b6c59ed |
hex | 35dabef42b |
231303214123 has 4 divisors (see below), whose sum is σ = 244909285560. Its totient is φ = 217697142688.
The previous prime is 231303214099. The next prime is 231303214139. The reversal of 231303214123 is 321412303132.
It is a semiprime because it is the product of two primes.
It is a cyclic number.
It is not a de Polignac number, because 231303214123 - 221 = 231301116971 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (231303214423) 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, 6803035693 + ... + 6803035726.
It is an arithmetic number, because the mean of its divisors is an integer number (61227321390).
Almost surely, 2231303214123 is an apocalyptic number.
231303214123 is a deficient number, since it is larger than the sum of its proper divisors (13606071437).
231303214123 is a wasteful number, since it uses less digits than its factorization.
231303214123 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 13606071436.
The product of its (nonzero) digits is 2592, while the sum is 25.
Adding to 231303214123 its reverse (321412303132), we get a palindrome (552715517255).
The spelling of 231303214123 in words is "two hundred thirty-one billion, three hundred three million, two hundred fourteen thousand, one hundred twenty-three".
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