Search a number
-
+
4252816512 = 273271941677
BaseRepresentation
bin1111110101111100…
…1101010010000000
3101222101102110111200
43331133031102000
532202210112022
61542000341200
7210250225650
oct37537152200
911871373450
104252816512
111892670a9a
129a8314800
1352a10c099
142c4b64360
1519d563bac
hexfd7cd480

4252816512 has 384 divisors, whose sum is σ = 15103670400. Its totient is φ = 1121402880.

The previous prime is 4252816507. The next prime is 4252816523. The reversal of 4252816512 is 2156182524.

It is a tau number, because it is divible by the number of its divisors (384).

It is a super-2 number, since 2×42528165122 = 36172896569479692288, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

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 47 ways as a sum of consecutive naturals, for example, 6281518 + ... + 6282194.

It is an arithmetic number, because the mean of its divisors is an integer number (39332475).

Almost surely, 24252816512 is an apocalyptic number.

4252816512 is a gapful number since it is divisible by the number (42) 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 4252816512, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (7551835200).

4252816512 is an abundant number, since it is smaller than the sum of its proper divisors (10850853888).

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

4252816512 is a wasteful number, since it uses less digits than its factorization.

4252816512 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 764 (or 749 counting only the distinct ones).

The product of its digits is 38400, while the sum is 36.

The square root of 4252816512 is about 65213.6221352564. The cubic root of 4252816512 is about 1620.1636414485.

The spelling of 4252816512 in words is "four billion, two hundred fifty-two million, eight hundred sixteen thousand, five hundred twelve".