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525243302240000 = 28547963412253
BaseRepresentation
bin111011101101101001011110…
…0011100110101111100000000
32112212201202202211020200011112
41313123102330130311330000
51022321041240333140000
65101033235243502452
7215430401446611431
oct16733227434657400
92485652684220145
10525243302240000
111423a4485060373
124aaab807227a28
13197103002c8166
14939bca910d488
1540acbb4ca8235
hex1ddb4bc735f00

525243302240000 has 180 divisors, whose sum is σ = 1310291921911896. Its totient is φ = 210070427136000.

The previous prime is 525243302239991. The next prime is 525243302240003. The reversal of 525243302240000 is 42203342525.

It is a Harshad number since it is a multiple of its sum of digits (32).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (525243302240003) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 1273873874 + ... + 1274286126.

Almost surely, 2525243302240000 is an apocalyptic number.

525243302240000 is a gapful number since it is divisible by the number (50) 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 525243302240000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (655145960955948).

525243302240000 is an abundant number, since it is smaller than the sum of its proper divisors (785048619671896).

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

525243302240000 is an frugal number, since it uses more digits than its factorization.

525243302240000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 420252 (or 420223 counting only the distinct ones).

The product of its (nonzero) digits is 57600, while the sum is 32.

Adding to 525243302240000 its reverse (42203342525), we get a palindrome (525285505582525).

The spelling of 525243302240000 in words is "five hundred twenty-five trillion, two hundred forty-three billion, three hundred two million, two hundred forty thousand".