Search a number
-
+
13531053305 = 573112924733
BaseRepresentation
bin11001001101000001…
…10111110011111001
31021221000001201122102
430212200313303321
5210202422201210
610114401233145
7656212025000
oct144640676371
937830051572
1013531053305
115813a21690
1227576327b5
13137840a323
149250c5c37
15542da0ea5
hex326837cf9

13531053305 has 64 divisors (see below), whose sum is σ = 21370176000. Its totient is φ = 8143752960.

The previous prime is 13531053299. The next prime is 13531053379. The reversal of 13531053305 is 50335013531.

It is not a de Polignac number, because 13531053305 - 26 = 13531053241 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (29).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 534719 + ... + 559451.

It is an arithmetic number, because the mean of its divisors is an integer number (333909000).

Almost surely, 213531053305 is an apocalyptic number.

It is an amenable number.

13531053305 is a deficient number, since it is larger than the sum of its proper divisors (7839122695).

13531053305 is a wasteful number, since it uses less digits than its factorization.

13531053305 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24799 (or 24785 counting only the distinct ones).

The product of its (nonzero) digits is 10125, while the sum is 29.

Adding to 13531053305 its reverse (50335013531), we get a palindrome (63866066836).

The spelling of 13531053305 in words is "thirteen billion, five hundred thirty-one million, fifty-three thousand, three hundred five".

Divisors: 1 5 7 11 29 35 49 55 77 145 203 245 319 343 385 539 1015 1421 1595 1715 2233 2695 3773 7105 9947 11165 15631 18865 24733 49735 78155 109417 123665 173131 272063 547085 717257 865655 1211917 1360315 1904441 3586285 5020799 6059585 7889827 8483419 9522205 13331087 25103995 35145593 39449135 42417095 55228789 66655435 93317609 175727965 246019151 276143945 386601523 466588045 1230095755 1933007615 2706210661 13531053305