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13500315312 = 2431125568779
BaseRepresentation
bin11001001001010111…
…00111011010110000
31021211212020002001020
430210223213122300
5210122040042222
610111342335440
7655356533601
oct144453473260
937755202036
1013500315312
1157a8637790
12274928a580
131371c37473
14920da3da8
1554032d65c
hex324ae76b0

13500315312 has 40 divisors (see below), whose sum is σ = 38046344640. Its totient is φ = 4091004480.

The previous prime is 13500315299. The next prime is 13500315317. The reversal of 13500315312 is 21351300531.

13500315312 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is not an unprimeable number, because it can be changed into a prime (13500315317) 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, 12783862 + ... + 12784917.

It is an arithmetic number, because the mean of its divisors is an integer number (951158616).

Almost surely, 213500315312 is an apocalyptic number.

13500315312 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

13500315312 is an abundant number, since it is smaller than the sum of its proper divisors (24546029328).

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

13500315312 is a wasteful number, since it uses less digits than its factorization.

13500315312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25568801 (or 25568795 counting only the distinct ones).

The product of its (nonzero) digits is 1350, while the sum is 24.

Adding to 13500315312 its reverse (21351300531), we get a palindrome (34851615843).

The spelling of 13500315312 in words is "thirteen billion, five hundred million, three hundred fifteen thousand, three hundred twelve".

Divisors: 1 2 3 4 6 8 11 12 16 22 24 33 44 48 66 88 132 176 264 528 25568779 51137558 76706337 102275116 153412674 204550232 281256569 306825348 409100464 562513138 613650696 843769707 1125026276 1227301392 1687539414 2250052552 3375078828 4500105104 6750157656 13500315312