Search a number
-
+
130848793 = 653200381
BaseRepresentation
bin1111100110010…
…01100000011001
3100010012210210121
413303021200121
5231444130133
620552313241
73146124235
oct763114031
9303183717
10130848793
11679516a9
12379a2821
1321154c2a
14135415c5
15b74a02d
hex7cc9819

130848793 has 4 divisors (see below), whose sum is σ = 131049828. Its totient is φ = 130647760.

The previous prime is 130848791. The next prime is 130848797. The reversal of 130848793 is 397848031.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 397848031 = 756835433.

It can be written as a sum of positive squares in 2 ways, for example, as 13927824 + 116920969 = 3732^2 + 10813^2 .

It is a cyclic number.

It is not a de Polignac number, because 130848793 - 21 = 130848791 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (130848791) by changing a digit.

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, 99538 + ... + 100843.

It is an arithmetic number, because the mean of its divisors is an integer number (32762457).

Almost surely, 2130848793 is an apocalyptic number.

It is an amenable number.

130848793 is a deficient number, since it is larger than the sum of its proper divisors (201035).

130848793 is an equidigital number, since it uses as much as digits as its factorization.

130848793 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 201034.

The product of its (nonzero) digits is 145152, while the sum is 43.

The square root of 130848793 is about 11438.9157265888. The cubic root of 130848793 is about 507.6798272349.

The spelling of 130848793 in words is "one hundred thirty million, eight hundred forty-eight thousand, seven hundred ninety-three".

Divisors: 1 653 200381 130848793