Search a number
-
+
305344435225 = 5212213777409
BaseRepresentation
bin1000111000101111111…
…00100101010000011001
31002012010222102110121111
410130113330211100121
520000321133411400
6352135010540321
731026501606214
oct4342774452031
91065128373544
10305344435225
1110854aa78615
124b2172976a1
1322a4214580b
1410ac8c6277b
157e219a03ba
hex4717f25419

305344435225 has 6 divisors (see below), whose sum is σ = 378627099710. Its totient is φ = 244275548160.

The previous prime is 305344435223. The next prime is 305344435229. The reversal of 305344435225 is 522534443503.

It can be written as a sum of positive squares in 3 ways, for example, as 14383444761 + 290960990464 = 119931^2 + 539408^2 .

It is not a de Polignac number, because 305344435225 - 21 = 305344435223 is a prime.

It is not an unprimeable number, because it can be changed into a prime (305344435223) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 6106888680 + ... + 6106888729.

Almost surely, 2305344435225 is an apocalyptic number.

It is an amenable number.

305344435225 is a deficient number, since it is larger than the sum of its proper divisors (73282664485).

305344435225 is a wasteful number, since it uses less digits than its factorization.

305344435225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12213777419 (or 12213777414 counting only the distinct ones).

The product of its (nonzero) digits is 864000, while the sum is 40.

Adding to 305344435225 its reverse (522534443503), we get a palindrome (827878878728).

The spelling of 305344435225 in words is "three hundred five billion, three hundred forty-four million, four hundred thirty-five thousand, two hundred twenty-five".

Divisors: 1 5 25 12213777409 61068887045 305344435225