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528130730389680 = 243351123375996149
BaseRepresentation
bin111100000010101010000010…
…0100101000111000010110000
32120020221210201122201102212000
41320011110010211013002300
51023210343213434432210
65111123524053534000
7216146120556125265
oct17005240445070260
92506853648642760
10528130730389680
11143307a91a68800
124b297335044300
131988c68b862c32
14945b94142b26c
15410cd5b734ac0
hex1e055049470b0

528130730389680 has 480 divisors, whose sum is σ = 2005458897624000. Its totient is φ = 127651754926080.

The previous prime is 528130730389643. The next prime is 528130730389693. The reversal of 528130730389680 is 86983037031825.

528130730389680 is a `hidden beast` number, since 5 + 2 + 81 + 30 + 73 + 0 + 389 + 6 + 80 = 666.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 85080246 + ... + 91076394.

It is an arithmetic number, because the mean of its divisors is an integer number (4178039370050).

Almost surely, 2528130730389680 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 528130730389680, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1002729448812000).

528130730389680 is an abundant number, since it is smaller than the sum of its proper divisors (1477328167234320).

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

528130730389680 is a wasteful number, since it uses less digits than its factorization.

528130730389680 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5996530 (or 5996507 counting only the distinct ones).

The product of its (nonzero) digits is 52254720, while the sum is 63.

The spelling of 528130730389680 in words is "five hundred twenty-eight trillion, one hundred thirty billion, seven hundred thirty million, three hundred eighty-nine thousand, six hundred eighty".