Search a number
-
+
8849981140 = 22572112135741
BaseRepresentation
bin10000011110111111…
…11111111011010100
3211211202210121211021
420033133333323110
5121111043344030
64022101450524
7432211412200
oct101737777324
924752717737
108849981140
113831646900
12186ba10a44
13ab0675940
145dd523b00
1536be4697a
hex20f7ffed4

8849981140 has 216 divisors, whose sum is σ = 25595699976. Its totient is φ = 2545804800.

The previous prime is 8849981087. The next prime is 8849981191. The reversal of 8849981140 is 411899488.

It can be written as a sum of positive squares in 4 ways, for example, as 140612164 + 8709368976 = 11858^2 + 93324^2 .

It is a Harshad number since it is a multiple of its sum of digits (52).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 1538670 + ... + 1544410.

It is an arithmetic number, because the mean of its divisors is an integer number (118498611).

Almost surely, 28849981140 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 8849981140, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (12797849988).

8849981140 is an abundant number, since it is smaller than the sum of its proper divisors (16745718836).

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

8849981140 is a wasteful number, since it uses less digits than its factorization.

8849981140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5799 (or 5779 counting only the distinct ones).

The product of its (nonzero) digits is 663552, while the sum is 52.

The square root of 8849981140 is about 94074.3383713114. The cubic root of 8849981140 is about 2068.4615312126.

It can be divided in two parts, 8849 and 981140, that added together give a palindrome (989989).

The spelling of 8849981140 in words is "eight billion, eight hundred forty-nine million, nine hundred eighty-one thousand, one hundred forty".