Base | Representation |
---|---|
bin | 1101011110000111100… |
… | …1001100000110000101 |
3 | 211010100021110012000111 |
4 | 3113201321030012011 |
5 | 12242423310211122 |
6 | 254151520513021 |
7 | 22501611110566 |
oct | 3274171140605 |
9 | 733307405014 |
10 | 231423132037 |
11 | 8a167363409 |
12 | 38a2717b771 |
13 | 18a914a1926 |
14 | b2b554016d |
15 | 6046eb1d77 |
hex | 35e1e4c185 |
231423132037 has 2 divisors, whose sum is σ = 231423132038. Its totient is φ = 231423132036.
The previous prime is 231423132023. The next prime is 231423132091. The reversal of 231423132037 is 730231324132.
It is a weak prime.
It can be written as a sum of positive squares in only one way, i.e., 173854807681 + 57568324356 = 416959^2 + 239934^2 .
It is a cyclic number.
It is not a de Polignac number, because 231423132037 - 27 = 231423131909 is a prime.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (231423132007) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 115711566018 + 115711566019.
It is an arithmetic number, because the mean of its divisors is an integer number (115711566019).
Almost surely, 2231423132037 is an apocalyptic number.
It is an amenable number.
231423132037 is a deficient number, since it is larger than the sum of its proper divisors (1).
231423132037 is an equidigital number, since it uses as much as digits as its factorization.
231423132037 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 18144, while the sum is 31.
Adding to 231423132037 its reverse (730231324132), we get a palindrome (961654456169).
The spelling of 231423132037 in words is "two hundred thirty-one billion, four hundred twenty-three million, one hundred thirty-two thousand, thirty-seven".
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