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2013105241 = 7287586463
BaseRepresentation
bin111011111111101…
…1000110001011001
312012022000100020101
41313333120301121
513110323331431
6531431455401
7100613053330
oct16777306131
95168010211
102013105241
11943388844
12482227561
132610b5444
1415150ad17
15bbb00961
hex77fd8c59

2013105241 has 4 divisors (see below), whose sum is σ = 2300691712. Its totient is φ = 1725518772.

The previous prime is 2013105217. The next prime is 2013105253. The reversal of 2013105241 is 1425013102.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 2013105241 - 213 = 2013097049 is a prime.

It is a super-2 number, since 2×20131052412 = 8105185422683336162, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2013105641) 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, 143793225 + ... + 143793238.

It is an arithmetic number, because the mean of its divisors is an integer number (575172928).

Almost surely, 22013105241 is an apocalyptic number.

It is an amenable number.

2013105241 is a deficient number, since it is larger than the sum of its proper divisors (287586471).

2013105241 is an equidigital number, since it uses as much as digits as its factorization.

2013105241 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 287586470.

The product of its (nonzero) digits is 240, while the sum is 19.

The square root of 2013105241 is about 44867.6413576644. The cubic root of 2013105241 is about 1262.6669890674. Note that the first 3 decimals are identical.

Adding to 2013105241 its reverse (1425013102), we get a palindrome (3438118343).

The spelling of 2013105241 in words is "two billion, thirteen million, one hundred five thousand, two hundred forty-one".

Divisors: 1 7 287586463 2013105241