Search a number
-
+
12051058656 = 25371323371621
BaseRepresentation
bin10110011100100110…
…01000111111100000
31011002212012012122210
423032103020333200
5144140032334111
65311452002120
7604431210540
oct131623107740
934085165583
1012051058656
11512456580a
122403a60340
1311a0900a50
1482470d320
154a7ea90a6
hex2ce4c8fe0

12051058656 has 384 divisors, whose sum is σ = 41750747136. Its totient is φ = 2956124160.

The previous prime is 12051058631. The next prime is 12051058661. The reversal of 12051058656 is 65685015021.

12051058656 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 (39).

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 63 ways as a sum of consecutive naturals, for example, 7433526 + ... + 7435146.

It is an arithmetic number, because the mean of its divisors is an integer number (108725904).

Almost surely, 212051058656 is an apocalyptic number.

12051058656 is a gapful number since it is divisible by the number (16) 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 12051058656, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (20875373568).

12051058656 is an abundant number, since it is smaller than the sum of its proper divisors (29699688480).

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

12051058656 is a wasteful number, since it uses less digits than its factorization.

12051058656 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1714 (or 1706 counting only the distinct ones).

The product of its (nonzero) digits is 72000, while the sum is 39.

The spelling of 12051058656 in words is "twelve billion, fifty-one million, fifty-eight thousand, six hundred fifty-six".