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130841105 = 526168221
BaseRepresentation
bin1111100110001…
…11101000010001
3100010012102020212
413303013220101
5231443403410
620552213505
73146062643
oct763075021
9303172225
10130841105
116794694a
123799a295
1321151595
141353c893
15b747b05
hex7cc7a11

130841105 has 4 divisors (see below), whose sum is σ = 157009332. Its totient is φ = 104672880.

The previous prime is 130841101. The next prime is 130841141. The reversal of 130841105 is 501148031.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 501148031 = 2417207343.

It can be written as a sum of positive squares in 2 ways, for example, as 68178049 + 62663056 = 8257^2 + 7916^2 .

It is not a de Polignac number, because 130841105 - 22 = 130841101 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (130841101) 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, 13084106 + ... + 13084115.

It is an arithmetic number, because the mean of its divisors is an integer number (39252333).

Almost surely, 2130841105 is an apocalyptic number.

It is an amenable number.

130841105 is a deficient number, since it is larger than the sum of its proper divisors (26168227).

130841105 is an equidigital number, since it uses as much as digits as its factorization.

130841105 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26168226.

The product of its (nonzero) digits is 480, while the sum is 23.

The square root of 130841105 is about 11438.5796758164. The cubic root of 130841105 is about 507.6698841577.

Adding to 130841105 its reverse (501148031), we get a palindrome (631989136).

The spelling of 130841105 in words is "one hundred thirty million, eight hundred forty-one thousand, one hundred five".

Divisors: 1 5 26168221 130841105