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130324013 = 433030791
BaseRepresentation
bin1111100010010…
…01011000101101
3100002020010221022
413301021120231
5231330332023
620533143525
73141510251
oct761113055
9302203838
10130324013
11676233a6
123778aba5
1321000101
1413446261
15b6947c8
hex7c4962d

130324013 has 4 divisors (see below), whose sum is σ = 133354848. Its totient is φ = 127293180.

The previous prime is 130324001. The next prime is 130324043. The reversal of 130324013 is 310423031.

It is a happy number.

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 130324013 - 210 = 130322989 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 130323982 and 130324000.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (130324043) 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, 1515353 + ... + 1515438.

It is an arithmetic number, because the mean of its divisors is an integer number (33338712).

Almost surely, 2130324013 is an apocalyptic number.

It is an amenable number.

130324013 is a deficient number, since it is larger than the sum of its proper divisors (3030835).

130324013 is an equidigital number, since it uses as much as digits as its factorization.

130324013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3030834.

The product of its (nonzero) digits is 216, while the sum is 17.

The square root of 130324013 is about 11415.9543184090. The cubic root of 130324013 is about 507.0002204507. Note that the first 3 decimals are identical.

Adding to 130324013 its reverse (310423031), we get a palindrome (440747044).

The spelling of 130324013 in words is "one hundred thirty million, three hundred twenty-four thousand, thirteen".

Divisors: 1 43 3030791 130324013