Search a number
-
+
115288846069 is a prime number
BaseRepresentation
bin110101101011111000…
…0000010111011110101
3102000120200022012020211
41223113300002323311
53342102421033234
6124544000025421
711220652010515
oct1532760027365
9360520265224
10115288846069
1144991603481
121a416002271
13ab4414c717
145819793845
152eeb5a8164
hex1ad7c02ef5

115288846069 has 2 divisors, whose sum is σ = 115288846070. Its totient is φ = 115288846068.

The previous prime is 115288846031. The next prime is 115288846081. The reversal of 115288846069 is 960648882511.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 93965545444 + 21323300625 = 306538^2 + 146025^2 .

It is an emirp because it is prime and its reverse (960648882511) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 115288846069 - 219 = 115288321781 is a prime.

It is a super-2 number, since 2×1152888460692 (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (115288846469) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 57644423034 + 57644423035.

It is an arithmetic number, because the mean of its divisors is an integer number (57644423035).

Almost surely, 2115288846069 is an apocalyptic number.

It is an amenable number.

115288846069 is a deficient number, since it is larger than the sum of its proper divisors (1).

115288846069 is an equidigital number, since it uses as much as digits as its factorization.

115288846069 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 6635520, while the sum is 58.

The spelling of 115288846069 in words is "one hundred fifteen billion, two hundred eighty-eight million, eight hundred forty-six thousand, sixty-nine".