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130205315 = 526041063
BaseRepresentation
bin1111100001011…
…00011010000011
3100002000010010002
413300230122003
5231313032230
620530430215
73140504222
oct760543203
9302003102
10130205315
11675521a9
123773236b
1320c8b086
1413414cb9
15b66e545
hex7c2c683

130205315 has 4 divisors (see below), whose sum is σ = 156246384. Its totient is φ = 104164248.

The previous prime is 130205303. The next prime is 130205359. The reversal of 130205315 is 513502031.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 513502031 = 773357433.

It is a cyclic number.

It is not a de Polignac number, because 130205315 - 212 = 130201219 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13020527 + ... + 13020536.

It is an arithmetic number, because the mean of its divisors is an integer number (39061596).

Almost surely, 2130205315 is an apocalyptic number.

130205315 is a deficient number, since it is larger than the sum of its proper divisors (26041069).

130205315 is an equidigital number, since it uses as much as digits as its factorization.

130205315 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26041068.

The product of its (nonzero) digits is 450, while the sum is 20.

The square root of 130205315 is about 11410.7543571843. The cubic root of 130205315 is about 506.8462498701.

Adding to 130205315 its reverse (513502031), we get a palindrome (643707346).

The spelling of 130205315 in words is "one hundred thirty million, two hundred five thousand, three hundred fifteen".

Divisors: 1 5 26041063 130205315