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13130510 = 257317987
BaseRepresentation
bin110010000101…
…101100001110
3220201002200012
4302011230032
511330134020
61145233222
7216415241
oct62055416
926632605
1013130510
117459168
124492812
132949743
141a5b258
1512457c5
hexc85b0e

13130510 has 16 divisors (see below), whose sum is σ = 23960016. Its totient is φ = 5179968.

The previous prime is 13130503. The next prime is 13130519. The reversal of 13130510 is 1503131.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13130519) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8264 + ... + 9723.

It is an arithmetic number, because the mean of its divisors is an integer number (1497501).

Almost surely, 213130510 is an apocalyptic number.

13130510 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

13130510 is a deficient number, since it is larger than the sum of its proper divisors (10829506).

13130510 is a wasteful number, since it uses less digits than its factorization.

13130510 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18067.

The product of its (nonzero) digits is 45, while the sum is 14.

The square root of 13130510 is about 3623.6045589992. The cubic root of 13130510 is about 235.9177032788.

Adding to 13130510 its reverse (1503131), we get a palindrome (14633641).

The spelling of 13130510 in words is "thirteen million, one hundred thirty thousand, five hundred ten".

Divisors: 1 2 5 10 73 146 365 730 17987 35974 89935 179870 1313051 2626102 6565255 13130510