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545527239927072 = 25313243218185347
BaseRepresentation
bin111110000001001110111010…
…1010110011110010100100000
32122112112220011022120011111120
41330002131311112132110200
51033000404241410131242
65212123430532012240
7222623020362306234
oct17402356526362440
92575486138504446
10545527239927072
11148904892089217
1251226a00a61080
131a551cc8777900
14989d93315a5c4
1543106370e91ec
hex1f0277559e520

545527239927072 has 216 divisors, whose sum is σ = 1587537017340624. Its totient is φ = 163950932500992.

The previous prime is 545527239927041. The next prime is 545527239927179. The reversal of 545527239927072 is 270729932725545.

It is a junction number, because it is equal to n+sod(n) for n = 545527239926988 and 545527239927006.

It is an unprimeable number.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 20905503 + ... + 39090849.

It is an arithmetic number, because the mean of its divisors is an integer number (7349708413614).

Almost surely, 2545527239927072 is an apocalyptic number.

545527239927072 is a gapful number since it is divisible by the number (52) 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 545527239927072, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (793768508670312).

545527239927072 is an abundant number, since it is smaller than the sum of its proper divisors (1042009777413552).

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

545527239927072 is a wasteful number, since it uses less digits than its factorization.

545527239927072 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18185472 (or 18185408 counting only the distinct ones).

The product of its (nonzero) digits is 666792000, while the sum is 69.

The spelling of 545527239927072 in words is "five hundred forty-five trillion, five hundred twenty-seven billion, two hundred thirty-nine million, nine hundred twenty-seven thousand, seventy-two".