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245125543040000 = 21054765383791
BaseRepresentation
bin110111101111000010111100…
…111010110001010000000000
31012010220202212120001102012022
4313233002330322301100000
5224112114103004240000
62225201041521221012
7102426510316356410
oct6757027472612000
91163822776042168
10245125543040000
11711171826aaa97
12235aab80491768
13a6a131630808c
1444761d504a640
151d51427e05585
hexdef0bceb1400

245125543040000 has 440 divisors, whose sum is σ = 700872739531008. Its totient is φ = 83913338880000.

The previous prime is 245125543039999. The next prime is 245125543040057. The reversal of 245125543040000 is 40345521542.

It is a Harshad number since it is a multiple of its sum of digits (35).

It is a congruent number.

It is an unprimeable number.

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 39 ways as a sum of consecutive naturals, for example, 2925398105 + ... + 2925481895.

Almost surely, 2245125543040000 is an apocalyptic number.

245125543040000 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 245125543040000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (350436369765504).

245125543040000 is an abundant number, since it is smaller than the sum of its proper divisors (455747196491008).

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

245125543040000 is an frugal number, since it uses more digits than its factorization.

245125543040000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 84491 (or 84458 counting only the distinct ones).

The product of its (nonzero) digits is 96000, while the sum is 35.

Adding to 245125543040000 its reverse (40345521542), we get a palindrome (245165888561542).

The spelling of 245125543040000 in words is "two hundred forty-five trillion, one hundred twenty-five billion, five hundred forty-three million, forty thousand".