Search a number
-
+
8232381217 is a prime number
BaseRepresentation
bin1111010101011000…
…00010101100100001
3210020201200022000001
413222230002230201
5113324442144332
63440520300001
7411002041264
oct75254025441
923221608001
108232381217
113544a67945
121719011601
13a127271b8
145814b8cdb
15332aee0e7
hex1eab02b21

8232381217 has 2 divisors, whose sum is σ = 8232381218. Its totient is φ = 8232381216.

The previous prime is 8232381181. The next prime is 8232381239. The reversal of 8232381217 is 7121832328.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 6855674401 + 1376706816 = 82799^2 + 37104^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-8232381217 is a prime.

It is not a weakly prime, because it can be changed into another prime (8232381317) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4116190608 + 4116190609.

It is an arithmetic number, because the mean of its divisors is an integer number (4116190609).

Almost surely, 28232381217 is an apocalyptic number.

It is an amenable number.

8232381217 is a deficient number, since it is larger than the sum of its proper divisors (1).

8232381217 is an equidigital number, since it uses as much as digits as its factorization.

8232381217 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 32256, while the sum is 37.

The square root of 8232381217 is about 90732.4705769660. The cubic root of 8232381217 is about 2019.1805663197.

The spelling of 8232381217 in words is "eight billion, two hundred thirty-two million, three hundred eighty-one thousand, two hundred seventeen".