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12550585144 = 231568823143
BaseRepresentation
bin10111011000001001…
…01011101100111000
31012101200010210011211
423230010223230320
5201200422211034
65433214332504
7623005133146
oct135404535470
935350123154
1012550585144
115360529419
1225231ba134
13125024b456
14870bc0596
154d6c7bd64
hex2ec12bb38

12550585144 has 8 divisors (see below), whose sum is σ = 23532347160. Its totient is φ = 6275292568.

The previous prime is 12550585063. The next prime is 12550585183. The reversal of 12550585144 is 44158505521.

12550585144 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (8).

It is a junction number, because it is equal to n+sod(n) for n = 12550585097 and 12550585106.

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 as a sum of consecutive naturals, namely, 784411564 + ... + 784411579.

It is an arithmetic number, because the mean of its divisors is an integer number (2941543395).

Almost surely, 212550585144 is an apocalyptic number.

It is an amenable number.

12550585144 is a deficient number, since it is larger than the sum of its proper divisors (10981762016).

12550585144 is a wasteful number, since it uses less digits than its factorization.

12550585144 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1568823149 (or 1568823145 counting only the distinct ones).

The product of its (nonzero) digits is 160000, while the sum is 40.

The spelling of 12550585144 in words is "twelve billion, five hundred fifty million, five hundred eighty-five thousand, one hundred forty-four".

Divisors: 1 2 4 8 1568823143 3137646286 6275292572 12550585144