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8528012128 = 252312499277
BaseRepresentation
bin1111111000100111…
…10010001101100000
3211000022221220101001
413330103302031200
5114431132342003
63530120521344
7421221623056
oct77423621540
924008856331
108528012128
113686927809
1217a0020254
13a5ba5542c
145ac8721d6
1534da4861d
hex1fc4f2360

8528012128 has 48 divisors (see below), whose sum is σ = 17535420000. Its totient is φ = 4074909696.

The previous prime is 8528012113. The next prime is 8528012167. The reversal of 8528012128 is 8212108258.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 914626 + ... + 923902.

It is an arithmetic number, because the mean of its divisors is an integer number (365321250).

Almost surely, 28528012128 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 8528012128, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (8767710000).

8528012128 is an abundant number, since it is smaller than the sum of its proper divisors (9007407872).

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

8528012128 is a wasteful number, since it uses less digits than its factorization.

8528012128 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10559 (or 10551 counting only the distinct ones).

The product of its (nonzero) digits is 20480, while the sum is 37.

The square root of 8528012128 is about 92347.2367101474. The cubic root of 8528012128 is about 2043.0669720370.

The spelling of 8528012128 in words is "eight billion, five hundred twenty-eight million, twelve thousand, one hundred twenty-eight".

Divisors: 1 2 4 8 16 23 32 46 92 184 368 736 1249 2498 4996 9277 9992 18554 19984 28727 37108 39968 57454 74216 114908 148432 213371 229816 296864 426742 459632 853484 919264 1706968 3413936 6827872 11586973 23173946 46347892 92695784 185391568 266500379 370783136 533000758 1066001516 2132003032 4264006064 8528012128