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545213265065600 = 275213910131210019
BaseRepresentation
bin111101111110111100101101…
…0111111011011011010000000
32122111102212201212110121202112
41323331321122333123122000
51032430233231324044400
65211323303301034452
7222561233653105325
oct17375713277333200
92574385655417675
10545213265065600
111487a37134a372a
1251195b973b5a28
131a52b50c5cc401
14988c66a006b4c
1543073acb20835
hex1efde5afdb680

545213265065600 has 192 divisors, whose sum is σ = 1357876941876000. Its totient is φ = 216302430474240.

The previous prime is 545213265065593. The next prime is 545213265065617. The reversal of 545213265065600 is 6560562312545.

It is a Harshad number since it is a multiple of its sum of digits (50).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (31) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 449977391 + ... + 451187409.

Almost surely, 2545213265065600 is an apocalyptic number.

545213265065600 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 545213265065600, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (678938470938000).

545213265065600 is an abundant number, since it is smaller than the sum of its proper divisors (812663676810400).

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

545213265065600 is a wasteful number, since it uses less digits than its factorization.

545213265065600 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1211195 (or 1211178 counting only the distinct ones).

The product of its (nonzero) digits is 6480000, while the sum is 50.

The spelling of 545213265065600 in words is "five hundred forty-five trillion, two hundred thirteen billion, two hundred sixty-five million, sixty-five thousand, six hundred".