Search a number
-
+
130510313 = 727179519
BaseRepresentation
bin1111100011101…
…10110111101001
3100002120121111022
413301312313221
5231402312223
620541142225
73143214353
oct761666751
9302517438
10130510313
116774036a
123785a975
1321066b4b
14134940d3
15b6ceac8
hex7c76de9

130510313 has 4 divisors (see below), whose sum is σ = 130690560. Its totient is φ = 130330068.

The previous prime is 130510249. The next prime is 130510319. The reversal of 130510313 is 313015031.

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, and also an emirpimes, since its reverse is a distinct semiprime: 313015031 = 744716433.

It is a cyclic number.

It is not a de Polignac number, because 130510313 - 26 = 130510249 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 130510291 and 130510300.

It is not an unprimeable number, because it can be changed into a prime (130510319) 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, 89033 + ... + 90486.

It is an arithmetic number, because the mean of its divisors is an integer number (32672640).

Almost surely, 2130510313 is an apocalyptic number.

It is an amenable number.

130510313 is a deficient number, since it is larger than the sum of its proper divisors (180247).

130510313 is an equidigital number, since it uses as much as digits as its factorization.

130510313 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 180246.

The product of its (nonzero) digits is 135, while the sum is 17.

The square root of 130510313 is about 11424.1110376256. Note that the first 3 decimals coincide. The cubic root of 130510313 is about 507.2416933939.

Adding to 130510313 its reverse (313015031), we get a palindrome (443525344).

The spelling of 130510313 in words is "one hundred thirty million, five hundred ten thousand, three hundred thirteen".

Divisors: 1 727 179519 130510313