Search a number
-
+
5287337618640 = 2435731117379283
BaseRepresentation
bin100110011110000110111…
…1000010110110011010000
3200201110112122112112101220
41030330031320112303100
51143111431412244030
615124545214525040
71053666104136000
oct114741570266320
920643478475356
105287337618640
111759390277280
1271487a806780
132c479476090c
14143ca0d26000
159280841da10
hex4cf0de16cd0

5287337618640 has 1280 divisors, whose sum is σ = 22678034227200. Its totient is φ = 1005984645120.

The previous prime is 5287337618617. The next prime is 5287337618659. The reversal of 5287337618640 is 468167337825.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (60).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 255 ways as a sum of consecutive naturals, for example, 569567439 + ... + 569576721.

It is an arithmetic number, because the mean of its divisors is an integer number (17717214240).

Almost surely, 25287337618640 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 5287337618640, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (11339017113600).

5287337618640 is an abundant number, since it is smaller than the sum of its proper divisors (17390696608560).

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

5287337618640 is a wasteful number, since it uses less digits than its factorization.

5287337618640 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9385 (or 9365 counting only the distinct ones).

The product of its (nonzero) digits is 40642560, while the sum is 60.

The spelling of 5287337618640 in words is "five trillion, two hundred eighty-seven billion, three hundred thirty-seven million, six hundred eighteen thousand, six hundred forty".