Search a number
-
+
6666360480 = 2533513223397
BaseRepresentation
bin1100011010101100…
…01001011010100000
3122012120221012102000
412031112021122200
5102123042013410
63021255124000
7324125062203
oct61526113240
918176835360
106666360480
112910a9432a
121360673600
1382315a700
1447350b93a
152903b2dc0
hex18d5896a0

6666360480 has 576 divisors, whose sum is σ = 26430001920. Its totient is φ = 1565650944.

The previous prime is 6666360473. The next prime is 6666360517. The reversal of 6666360480 is 840636666.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 16791642 + ... + 16792038.

It is an arithmetic number, because the mean of its divisors is an integer number (45885420).

Almost surely, 26666360480 is an apocalyptic number.

6666360480 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 6666360480, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (13215000960).

6666360480 is an abundant number, since it is smaller than the sum of its proper divisors (19763641440).

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

6666360480 is a wasteful number, since it uses less digits than its factorization.

6666360480 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 470 (or 443 counting only the distinct ones).

The product of its (nonzero) digits is 746496, while the sum is 45.

The square root of 6666360480 is about 81647.7830684949. The cubic root of 6666360480 is about 1882.0432440524.

The spelling of 6666360480 in words is "six billion, six hundred sixty-six million, three hundred sixty thousand, four hundred eighty".