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13294550880 = 2532513312739
BaseRepresentation
bin11000110000110101…
…01011111101100000
31021022112001011022100
430120122223331200
5204211401112010
610035112210400
7650310550362
oct143032537540
937275034270
1013294550880
115702477936
1226b0399a00
13133b412470
14901920d32
1552c2362c0
hex3186abf60

13294550880 has 432 divisors, whose sum is σ = 50552676720. Its totient is φ = 3162654720.

The previous prime is 13294550869. The next prime is 13294550903. The reversal of 13294550880 is 8805549231.

13294550880 is a `hidden beast` number, since 1 + 3 + 2 + 94 + 550 + 8 + 8 + 0 = 666.

13294550880 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 (45).

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 71 ways as a sum of consecutive naturals, for example, 17989551 + ... + 17990289.

It is an arithmetic number, because the mean of its divisors is an integer number (117020085).

Almost surely, 213294550880 is an apocalyptic number.

13294550880 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 13294550880, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (25276338360).

13294550880 is an abundant number, since it is smaller than the sum of its proper divisors (37258125840).

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

13294550880 is a wasteful number, since it uses less digits than its factorization.

13294550880 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 835 (or 793 counting only the distinct ones).

The product of its (nonzero) digits is 345600, while the sum is 45.

The spelling of 13294550880 in words is "thirteen billion, two hundred ninety-four million, five hundred fifty thousand, eight hundred eighty".