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245344511311441 = 1012429153577341
BaseRepresentation
bin110111110010001110111000…
…011100011011111001010001
31012011200201001211111010102121
4313302032320130123321101
5224124211024343431231
62225445413523214241
7102451361464101343
oct6762167034337121
91164621054433377
10245344511311441
11711a1028576283
12236254b0517381
13a6b8b71335cb9
144482a483a7293
151d56e91748311
hexdf23b871be51

245344511311441 has 4 divisors (see below), whose sum is σ = 247773664888884. Its totient is φ = 242915357734000.

The previous prime is 245344511311387. The next prime is 245344511311507. The reversal of 245344511311441 is 144113115443542.

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 204900902209600 + 40443609101841 = 14314360^2 + 6359529^2 .

It is a cyclic number.

It is not a de Polignac number, because 245344511311441 - 227 = 245344377093713 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (245344511311241) 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, 1214576788570 + ... + 1214576788771.

It is an arithmetic number, because the mean of its divisors is an integer number (61943416222221).

Almost surely, 2245344511311441 is an apocalyptic number.

It is an amenable number.

245344511311441 is a deficient number, since it is larger than the sum of its proper divisors (2429153577443).

245344511311441 is a wasteful number, since it uses less digits than its factorization.

245344511311441 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2429153577442.

The product of its digits is 460800, while the sum is 43.

Adding to 245344511311441 its reverse (144113115443542), we get a palindrome (389457626754983).

The spelling of 245344511311441 in words is "two hundred forty-five trillion, three hundred forty-four billion, five hundred eleven million, three hundred eleven thousand, four hundred forty-one".

Divisors: 1 101 2429153577341 245344511311441