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245305454113105 = 549061090822621
BaseRepresentation
bin110111110001101010100000…
…011101000011000101010001
31012011112222020212110212200021
4313301222200131003011101
5224123041032223104410
62225415434144023441
7102445506555303421
oct6761524035030521
91164488225425607
10245305454113105
1171186505824071
1223619a10301b81
13a6b52886b4c59
144480bc10d8481
151d55e578e4eda
hexdf1aa0743151

245305454113105 has 4 divisors (see below), whose sum is σ = 294366544935732. Its totient is φ = 196244363290480.

The previous prime is 245305454113091. The next prime is 245305454113183. The reversal of 245305454113105 is 501311454503542.

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 116353349931841 + 128952104181264 = 10786721^2 + 11355708^2 .

It is not a de Polignac number, because 245305454113105 - 213 = 245305454104913 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 24530545411306 + ... + 24530545411315.

It is an arithmetic number, because the mean of its divisors is an integer number (73591636233933).

Almost surely, 2245305454113105 is an apocalyptic number.

It is an amenable number.

245305454113105 is a deficient number, since it is larger than the sum of its proper divisors (49061090822627).

245305454113105 is an equidigital number, since it uses as much as digits as its factorization.

245305454113105 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49061090822626.

The product of its (nonzero) digits is 720000, while the sum is 43.

The spelling of 245305454113105 in words is "two hundred forty-five trillion, three hundred five billion, four hundred fifty-four million, one hundred thirteen thousand, one hundred five".

Divisors: 1 5 49061090822621 245305454113105