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2825520580800 = 2633521072112897
BaseRepresentation
bin101001000111011110001…
…001101000100011000000
3101000010011101110102101000
4221013132021220203000
5332243131232041200
610002005400012000
7411065014443531
oct51073611504300
911003141412330
102825520580800
1199a329785675
12397731161000
131765a3856c18
149aa82390688
154d771a23300
hex291de2688c0

2825520580800 has 672 divisors, whose sum is σ = 10449208707840. Its totient is φ = 742636339200.

The previous prime is 2825520580793. The next prime is 2825520580801. The reversal of 2825520580800 is 80850255282.

2825520580800 is a `hidden beast` number, since 28 + 25 + 5 + 20 + 580 + 8 + 0 + 0 = 666.

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

It is not an unprimeable number, because it can be changed into a prime (2825520580801) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 975324952 + ... + 975327848.

It is an arithmetic number, because the mean of its divisors is an integer number (15549417720).

Almost surely, 22825520580800 is an apocalyptic number.

2825520580800 is a gapful number since it is divisible by the number (20) 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 2825520580800, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5224604353920).

2825520580800 is an abundant number, since it is smaller than the sum of its proper divisors (7623688127040).

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

2825520580800 is a wasteful number, since it uses less digits than its factorization.

2825520580800 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3246 (or 3225 counting only the distinct ones).

The product of its (nonzero) digits is 512000, while the sum is 45.

The spelling of 2825520580800 in words is "two trillion, eight hundred twenty-five billion, five hundred twenty million, five hundred eighty thousand, eight hundred".