Search a number
-
+
6662898480 = 243573292791
BaseRepresentation
bin1100011010010001…
…11100001100110000
3122012100102022102210
412031020330030300
5102121200222410
63021053012120
7324053463000
oct61510741460
918170368383
106662898480
11290a03a277
12135b484040
138225179a4
14472c8a000
1528ee2c220
hex18d23c330

6662898480 has 320 divisors, whose sum is σ = 24926976000. Its totient is φ = 1469905920.

The previous prime is 6662898443. The next prime is 6662898491. The reversal of 6662898480 is 848982666.

It is a self number, because there is not a number n which added to its sum of digits gives 6662898480.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 2385885 + ... + 2388675.

It is an arithmetic number, because the mean of its divisors is an integer number (77896800).

Almost surely, 26662898480 is an apocalyptic number.

6662898480 is a gapful number since it is divisible by the number (60) 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 6662898480, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (12463488000).

6662898480 is an abundant number, since it is smaller than the sum of its proper divisors (18264077520).

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

6662898480 is a wasteful number, since it uses less digits than its factorization.

6662898480 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2857 (or 2837 counting only the distinct ones).

The product of its (nonzero) digits is 7962624, while the sum is 57.

The square root of 6662898480 is about 81626.5794946720. The cubic root of 6662898480 is about 1881.7173909894.

The spelling of 6662898480 in words is "six billion, six hundred sixty-two million, eight hundred ninety-eight thousand, four hundred eighty".