Search a number
-
+
5686394880 = 2153523503
BaseRepresentation
bin1010100101110111…
…11000000000000000
3112200021221210022210
411102323320000000
543121204114010
62340131102120
7260625362505
oct52273700000
915607853283
105686394880
112458904701
121128441940
136c81164ca
143bd2d74ac
1523433cb20
hex152ef8000

5686394880 has 256 divisors, whose sum is σ = 19025072640. Its totient is φ = 1447559168.

The previous prime is 5686394809. The next prime is 5686394921. The reversal of 5686394880 is 884936865.

It is a tau number, because it is divible by the number of its divisors (256).

It is a self number, because there is not a number n which added to its sum of digits gives 5686394880.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11304709 + ... + 11305211.

It is an arithmetic number, because the mean of its divisors is an integer number (74316690).

Almost surely, 25686394880 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 5686394880, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (9512536320).

5686394880 is an abundant number, since it is smaller than the sum of its proper divisors (13338677760).

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

5686394880 is an equidigital number, since it uses as much as digits as its factorization.

5686394880 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 564 (or 536 counting only the distinct ones).

The product of its (nonzero) digits is 9953280, while the sum is 57.

The square root of 5686394880 is about 75408.1884147869. The cubic root of 5686394880 is about 1784.8936248388.

The spelling of 5686394880 in words is "five billion, six hundred eighty-six million, three hundred ninety-four thousand, eight hundred eighty".