Base | Representation |
---|---|
bin | 1101011100101100110… |
… | …0001010011110110101 |
3 | 211002100201201100220221 |
4 | 3113023030022132311 |
5 | 12241133302331242 |
6 | 254050032454341 |
7 | 22456304360602 |
oct | 3271314123665 |
9 | 732321640827 |
10 | 231042230197 |
11 | 89a913521a9 |
12 | 3893b6aa3b1 |
13 | 18a305b911c |
14 | b27ab0b6a9 |
15 | 6023822167 |
hex | 35cb30a7b5 |
231042230197 has 2 divisors, whose sum is σ = 231042230198. Its totient is φ = 231042230196.
The previous prime is 231042230183. The next prime is 231042230207. The reversal of 231042230197 is 791032240132.
It is a strong prime.
It can be written as a sum of positive squares in only one way, i.e., 231006158161 + 36072036 = 480631^2 + 6006^2 .
It is a cyclic number.
It is not a de Polignac number, because 231042230197 - 215 = 231042197429 is a prime.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (231042231197) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 115521115098 + 115521115099.
It is an arithmetic number, because the mean of its divisors is an integer number (115521115099).
Almost surely, 2231042230197 is an apocalyptic number.
It is an amenable number.
231042230197 is a deficient number, since it is larger than the sum of its proper divisors (1).
231042230197 is an equidigital number, since it uses as much as digits as its factorization.
231042230197 is an odious number, because the sum of its binary digits is odd.
The product of its (nonzero) digits is 18144, while the sum is 34.
The spelling of 231042230197 in words is "two hundred thirty-one billion, forty-two million, two hundred thirty thousand, one hundred ninety-seven".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.066 sec. • engine limits •