Base | Representation |
---|---|
bin | 1101011100111111011… |
… | …0011110110001011111 |
3 | 211002120011212102221021 |
4 | 3113033312132301133 |
5 | 12241313312312343 |
6 | 254101504545011 |
7 | 22461244155052 |
oct | 3271766366137 |
9 | 732504772837 |
10 | 231120432223 |
11 | 8a02150557a |
12 | 38961922167 |
13 | 18a4386a005 |
14 | b287266a99 |
15 | 602a61d0ed |
hex | 35cfd9ec5f |
231120432223 has 4 divisors (see below), whose sum is σ = 231143327800. Its totient is φ = 231097536648.
The previous prime is 231120432157. The next prime is 231120432227. The reversal of 231120432223 is 322234021132.
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 231120432223 - 217 = 231120301151 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 (231120432227) 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, 11432640 + ... + 11452837.
It is an arithmetic number, because the mean of its divisors is an integer number (57785831950).
Almost surely, 2231120432223 is an apocalyptic number.
231120432223 is a deficient number, since it is larger than the sum of its proper divisors (22895577).
231120432223 is a wasteful number, since it uses less digits than its factorization.
231120432223 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 22895576.
The product of its (nonzero) digits is 3456, while the sum is 25.
Adding to 231120432223 its reverse (322234021132), we get a palindrome (553354453355).
The spelling of 231120432223 in words is "two hundred thirty-one billion, one hundred twenty million, four hundred thirty-two thousand, two hundred twenty-three".
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