Search a number
-
+
13113130423 = 43481301583
BaseRepresentation
bin11000011011001101…
…00111110110110111
31020211212200001020011
430031212213312313
5203323430133143
610005111521051
7642645524641
oct141546476667
936755601204
1013113130423
11561a024a78
12265b689187
13130c961b93
148c57b7891
1551b34be9d
hex30d9a7db7

13113130423 has 4 divisors (see below), whose sum is σ = 13113475488. Its totient is φ = 13112785360.

The previous prime is 13113130357. The next prime is 13113130451. The reversal of 13113130423 is 32403131131.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-13113130423 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 13113130394 and 13113130403.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13113139423) 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, 107311 + ... + 194272.

It is an arithmetic number, because the mean of its divisors is an integer number (3278368872).

Almost surely, 213113130423 is an apocalyptic number.

13113130423 is a deficient number, since it is larger than the sum of its proper divisors (345065).

13113130423 is an equidigital number, since it uses as much as digits as its factorization.

13113130423 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 345064.

The product of its (nonzero) digits is 648, while the sum is 22.

Adding to 13113130423 its reverse (32403131131), we get a palindrome (45516261554).

The spelling of 13113130423 in words is "thirteen billion, one hundred thirteen million, one hundred thirty thousand, four hundred twenty-three".

Divisors: 1 43481 301583 13113130423