Search a number
-
+
180823864313 is a prime number
BaseRepresentation
bin1010100001100111110…
…0010011001111111001
3122021201221000001121202
42220121330103033321
510430311402124223
6215022550543545
716030661325611
oct2503174231771
9567657001552
10180823864313
116a7613a2684
122b065667bb5
1314089531721
148a753b7a41
154a84be6428
hex2a19f133f9

180823864313 has 2 divisors, whose sum is σ = 180823864314. Its totient is φ = 180823864312.

The previous prime is 180823864297. The next prime is 180823864379. The reversal of 180823864313 is 313468328081.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 130384543744 + 50439320569 = 361088^2 + 224587^2 .

It is a cyclic number.

It is not a de Polignac number, because 180823864313 - 24 = 180823864297 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (180823864393) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 90411932156 + 90411932157.

It is an arithmetic number, because the mean of its divisors is an integer number (90411932157).

Almost surely, 2180823864313 is an apocalyptic number.

It is an amenable number.

180823864313 is a deficient number, since it is larger than the sum of its proper divisors (1).

180823864313 is an equidigital number, since it uses as much as digits as its factorization.

180823864313 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 663552, while the sum is 47.

The spelling of 180823864313 in words is "one hundred eighty billion, eight hundred twenty-three million, eight hundred sixty-four thousand, three hundred thirteen".