Search a number
-
+
12574968120 = 23355111383109
BaseRepresentation
bin10111011011000011…
…01100100100111000
31012110101000120100000
423231201230210320
5201223142434440
65435445113000
7623422315431
oct135541544470
935411016300
1012574968120
115373272740
12252b3b8760
131255307850
1487412a488
154d8e96730
hex2ed86c938

12574968120 has 768 divisors, whose sum is σ = 50854003200. Its totient is φ = 2754570240.

The previous prime is 12574968071. The next prime is 12574968137. The reversal of 12574968120 is 2186947521.

12574968120 is a `hidden beast` number, since 1 + 2 + 574 + 9 + 68 + 12 + 0 = 666.

12574968120 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 191 ways as a sum of consecutive naturals, for example, 115366626 + ... + 115366734.

It is an arithmetic number, because the mean of its divisors is an integer number (66216150).

Almost surely, 212574968120 is an apocalyptic number.

12574968120 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 12574968120, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (25427001600).

12574968120 is an abundant number, since it is smaller than the sum of its proper divisors (38279035080).

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

12574968120 is a wasteful number, since it uses less digits than its factorization.

12574968120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 242 (or 226 counting only the distinct ones).

The product of its (nonzero) digits is 241920, while the sum is 45.

The spelling of 12574968120 in words is "twelve billion, five hundred seventy-four million, nine hundred sixty-eight thousand, one hundred twenty".