Search a number
-
+
13243004404 = 227267566349
BaseRepresentation
bin11000101010101100…
…00011010111110100
31021011221001022211121
430111112003113310
5204110202120104
610030031313324
7646113452200
oct142526032764
937157038747
1013243004404
115686370243
12269707b844
1313308351a6
148d8b43b00
15527953254
hex3155835f4

13243004404 has 18 divisors (see below), whose sum is σ = 26958973650. Its totient is φ = 5675573232.

The previous prime is 13243004399. The next prime is 13243004417. The reversal of 13243004404 is 40440034231.

13243004404 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 9899852004 + 3343152400 = 99498^2 + 57820^2 .

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 33782979 + ... + 33783370.

Almost surely, 213243004404 is an apocalyptic number.

13243004404 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

13243004404 is an abundant number, since it is smaller than the sum of its proper divisors (13715969246).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

13243004404 is a wasteful number, since it uses less digits than its factorization.

13243004404 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 67566367 (or 67566358 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 25.

Adding to 13243004404 its reverse (40440034231), we get a palindrome (53683038635).

The spelling of 13243004404 in words is "thirteen billion, two hundred forty-three million, four thousand, four hundred four".

Divisors: 1 2 4 7 14 28 49 98 196 67566349 135132698 270265396 472964443 945928886 1891857772 3310751101 6621502202 13243004404