Search a number
-
+
305205221032441 = 2843429107337029
BaseRepresentation
bin100010101100101010010000…
…0110010001000000111111001
31111000122100000121122022211121
41011121110200302020013321
5310000440243041014231
63001041202023425241
7121200230616310162
oct10531244062100771
91430570017568747
10305205221032441
118927a897653124
122a292996bb5221
131013b962386452
14555202385a769
15254414ca6c311
hex1159520c881f9

305205221032441 has 4 divisors (see below), whose sum is σ = 305205331212900. Its totient is φ = 305205110851984.

The previous prime is 305205221032321. The next prime is 305205221032463. The reversal of 305205221032441 is 144230122502503.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 225456231040000 + 79748989992441 = 15015200^2 + 8930229^2 .

It is a cyclic number.

It is not a de Polignac number, because 305205221032441 - 223 = 305205212643833 is a prime.

It is a super-2 number, since 2×3052052210324412 (a number of 30 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 305205221032397 and 305205221032406.

It is not an unprimeable number, because it can be changed into a prime (305205221032141) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 50825086 + ... + 56511943.

It is an arithmetic number, because the mean of its divisors is an integer number (76301332803225).

Almost surely, 2305205221032441 is an apocalyptic number.

It is an amenable number.

305205221032441 is a deficient number, since it is larger than the sum of its proper divisors (110180459).

305205221032441 is a wasteful number, since it uses less digits than its factorization.

305205221032441 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 110180458.

The product of its (nonzero) digits is 57600, while the sum is 34.

Adding to 305205221032441 its reverse (144230122502503), we get a palindrome (449435343534944).

The spelling of 305205221032441 in words is "three hundred five trillion, two hundred five billion, two hundred twenty-one million, thirty-two thousand, four hundred forty-one".

Divisors: 1 2843429 107337029 305205221032441