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6678480816 = 2432741533049
BaseRepresentation
bin1100011100001000…
…11000011110110000
3122020102201222101100
412032010120132300
5102134142341231
63022411004400
7324333102360
oct61604303660
918212658340
106678480816
112917912537
121364739700
138258123c7
14474d849a0
152914a91e6
hex18e1187b0

6678480816 has 240 divisors, whose sum is σ = 22301697600. Its totient is φ = 1825873920.

The previous prime is 6678480793. The next prime is 6678480817. The reversal of 6678480816 is 6180848766.

It is not an unprimeable number, because it can be changed into a prime (6678480817) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 2188860 + ... + 2191908.

It is an arithmetic number, because the mean of its divisors is an integer number (92923740).

Almost surely, 26678480816 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 6678480816, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (11150848800).

6678480816 is an abundant number, since it is smaller than the sum of its proper divisors (15623216784).

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

6678480816 is a wasteful number, since it uses less digits than its factorization.

6678480816 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3164 (or 3155 counting only the distinct ones).

The product of its (nonzero) digits is 3096576, while the sum is 54.

The square root of 6678480816 is about 81721.9726634153. The cubic root of 6678480816 is about 1883.1831557038.

The spelling of 6678480816 in words is "six billion, six hundred seventy-eight million, four hundred eighty thousand, eight hundred sixteen".