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27028452528 = 24327211479727
BaseRepresentation
bin11001001011000001…
…010111010010110000
32120202122210122120100
4121023001113102300
5420323240440103
620230001312400
71644535025100
oct311301272260
976678718510
1027028452528
111050a947480
1252a3935700
13271986339c
14144592b200
15a82d055a3
hex64b0574b0

27028452528 has 360 divisors, whose sum is σ = 96323834880. Its totient is φ = 6996084480.

The previous prime is 27028452499. The next prime is 27028452617. The reversal of 27028452528 is 82525482072.

27028452528 is a `hidden beast` number, since 2 + 70 + 2 + 8 + 4 + 52 + 528 = 666.

It is an unprimeable number.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 37177701 + ... + 37178427.

It is an arithmetic number, because the mean of its divisors is an integer number (267566208).

Almost surely, 227028452528 is an apocalyptic number.

27028452528 is a gapful number since it is divisible by the number (28) 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 27028452528, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (48161917440).

27028452528 is an abundant number, since it is smaller than the sum of its proper divisors (69295382352).

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

27028452528 is a wasteful number, since it uses less digits than its factorization.

27028452528 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1245 (or 1229 counting only the distinct ones).

The product of its (nonzero) digits is 716800, while the sum is 45.

The spelling of 27028452528 in words is "twenty-seven billion, twenty-eight million, four hundred fifty-two thousand, five hundred twenty-eight".