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13515045232 = 2413223291373
BaseRepresentation
bin11001001011000111…
…10011100101110000
31021212212221102200211
430211203303211300
5210134322421412
610113030153504
7655625663143
oct144543634560
937785842624
1013515045232
115805988577
1227521b2894
131374cc3bb0
14922d1a05a
1554178cca7
hex3258f3970

13515045232 has 40 divisors (see below), whose sum is σ = 28326214784. Its totient is φ = 6209720064.

The previous prime is 13515045227. The next prime is 13515045239. The reversal of 13515045232 is 23254051531.

13515045232 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 13515045194 and 13515045203.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13515045239) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 99303 + ... + 192070.

Almost surely, 213515045232 is an apocalyptic number.

It is an amenable number.

13515045232 is an abundant number, since it is smaller than the sum of its proper divisors (14811169552).

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

13515045232 is a wasteful number, since it uses less digits than its factorization.

13515045232 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 291617 (or 291611 counting only the distinct ones).

The product of its (nonzero) digits is 18000, while the sum is 31.

Adding to 13515045232 its reverse (23254051531), we get a palindrome (36769096763).

The spelling of 13515045232 in words is "thirteen billion, five hundred fifteen million, forty-five thousand, two hundred thirty-two".

Divisors: 1 2 4 8 13 16 26 52 104 208 223 446 892 1784 2899 3568 5798 11596 23192 46384 291373 582746 1165492 2330984 3787849 4661968 7575698 15151396 30302792 60605584 64976179 129952358 259904716 519809432 844690327 1039618864 1689380654 3378761308 6757522616 13515045232