Base | Representation |
---|---|
bin | 1101011001101011110… |
… | …1101010100110001101 |
3 | 211000021100020110210121 |
4 | 3112122331222212031 |
5 | 12233004134420323 |
6 | 253433450504541 |
7 | 22430251154242 |
oct | 3263275524615 |
9 | 730240213717 |
10 | 230233123213 |
11 | 89706661145 |
12 | 38754735151 |
13 | 18931a97cb2 |
14 | b2014915c9 |
15 | 5ec779ba5d |
hex | 359af6a98d |
230233123213 has 2 divisors, whose sum is σ = 230233123214. Its totient is φ = 230233123212.
The previous prime is 230233123207. The next prime is 230233123217. The reversal of 230233123213 is 312321332032.
It is a strong prime.
It can be written as a sum of positive squares in only one way, i.e., 121077553444 + 109155569769 = 347962^2 + 330387^2 .
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-230233123213 is a prime.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (230233123217) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 115116561606 + 115116561607.
It is an arithmetic number, because the mean of its divisors is an integer number (115116561607).
Almost surely, 2230233123213 is an apocalyptic number.
It is an amenable number.
230233123213 is a deficient number, since it is larger than the sum of its proper divisors (1).
230233123213 is an equidigital number, since it uses as much as digits as its factorization.
230233123213 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 3888, while the sum is 25.
Adding to 230233123213 its reverse (312321332032), we get a palindrome (542554455245).
The spelling of 230233123213 in words is "two hundred thirty billion, two hundred thirty-three million, one hundred twenty-three thousand, two hundred thirteen".
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