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425204420422400 = 28521312879176159
BaseRepresentation
bin110000010101110001001111…
…0011011111010101100000000
32001202112010221010221011021022
41200223202132123322230000
5421213022123112004100
64104200114124445012
7155364001631440313
oct14053423633725400
92052463833834238
10425204420422400
111135352002aa143
123b8335700a9768
13153347b2978668
14770000a44297a
153425821c79e85
hex182b89e6fab00

425204420422400 has 216 divisors, whose sum is σ = 1060855700889600. Its totient is φ = 168723850547200.

The previous prime is 425204420422373. The next prime is 425204420422403. The reversal of 425204420422400 is 4224024402524.

It is not an unprimeable number, because it can be changed into a prime (425204420422403) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2413665521 + ... + 2413841679.

It is an arithmetic number, because the mean of its divisors is an integer number (4911368985600).

Almost surely, 2425204420422400 is an apocalyptic number.

425204420422400 is a gapful number since it is divisible by the number (40) 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 425204420422400, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (530427850444800).

425204420422400 is an abundant number, since it is smaller than the sum of its proper divisors (635651280467200).

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

425204420422400 is a wasteful number, since it uses less digits than its factorization.

425204420422400 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 179195 (or 179176 counting only the distinct ones).

The product of its (nonzero) digits is 163840, while the sum is 35.

Adding to 425204420422400 its reverse (4224024402524), we get a palindrome (429428444824924).

The spelling of 425204420422400 in words is "four hundred twenty-five trillion, two hundred four billion, four hundred twenty million, four hundred twenty-two thousand, four hundred".