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52331510140000 = 255471372739551
BaseRepresentation
bin10111110011000011000010…
…00100101000110001100000
320212021211202220211002212021
423321201201010220301200
523324344413043440000
6303144432555111224
714010553414550110
oct1371414104506140
9225254686732767
1052331510140000
111574673a215793
125a52244a42514
132327abccb07b0
14cccc04027040
1560b3e17c411a
hex2f9861128c60

52331510140000 has 480 divisors, whose sum is σ = 158675338838016. Its totient is φ = 16538860800000.

The previous prime is 52331510139989. The next prime is 52331510140067. The reversal of 52331510140000 is 4101513325.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (25).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 1323120225 + ... + 1323159775.

Almost surely, 252331510140000 is an apocalyptic number.

52331510140000 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 52331510140000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (79337669419008).

52331510140000 is an abundant number, since it is smaller than the sum of its proper divisors (106343828698016).

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

52331510140000 is a wasteful number, since it uses less digits than its factorization.

52331510140000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40328 (or 40305 counting only the distinct ones).

The product of its (nonzero) digits is 1800, while the sum is 25.

Adding to 52331510140000 its reverse (4101513325), we get a palindrome (52335611653325).

The spelling of 52331510140000 in words is "fifty-two trillion, three hundred thirty-one billion, five hundred ten million, one hundred forty thousand".