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13304178732 = 2231385283197
BaseRepresentation
bin11000110001111110…
…11010100000101100
31021100012011022020110
430120333122200230
5204221332204412
610040054420020
7650455440045
oct143077324054
937305138213
1013304178732
115707953439
1226b3661610
131340403810
14902d098cc
1552ced8d3c
hex318fda82c

13304178732 has 24 divisors (see below), whose sum is σ = 33431013616. Its totient is φ = 4093593408.

The previous prime is 13304178661. The next prime is 13304178737. The reversal of 13304178732 is 23787140331.

13304178732 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×133041787322 (a number of 21 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is not an unprimeable number, because it can be changed into a prime (13304178737) 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, 42641443 + ... + 42641754.

Almost surely, 213304178732 is an apocalyptic number.

13304178732 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

13304178732 is an abundant number, since it is smaller than the sum of its proper divisors (20126834884).

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

13304178732 is a wasteful number, since it uses less digits than its factorization.

13304178732 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 85283217 (or 85283215 counting only the distinct ones).

The product of its (nonzero) digits is 84672, while the sum is 39.

The spelling of 13304178732 in words is "thirteen billion, three hundred four million, one hundred seventy-eight thousand, seven hundred thirty-two".

Divisors: 1 2 3 4 6 12 13 26 39 52 78 156 85283197 170566394 255849591 341132788 511699182 1023398364 1108681561 2217363122 3326044683 4434726244 6652089366 13304178732