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5128327398880 = 25574578863749
BaseRepresentation
bin100101010100000100000…
…1000100000010111100000
3200011021002221202102122101
41022220020020200113200
51133010303303231010
614523530542020144
71036336506440320
oct112501010402740
920137087672571
105128327398880
1116a7a03137714
126a9aa2577654
132b27a359359a
1413a2d8a5d280
158d5ed7e473a
hex4aa082205e0

5128327398880 has 48 divisors (see below), whose sum is σ = 13846483980000. Its totient is φ = 1758283679232.

The previous prime is 5128327398853. The next prime is 5128327398913. The reversal of 5128327398880 is 888937238215.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2289430755 + ... + 2289432994.

It is an arithmetic number, because the mean of its divisors is an integer number (288468416250).

Almost surely, 25128327398880 is an apocalyptic number.

It is an amenable number.

5128327398880 is an abundant number, since it is smaller than the sum of its proper divisors (8718156581120).

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

5128327398880 is a wasteful number, since it uses less digits than its factorization.

5128327398880 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4578863771 (or 4578863763 counting only the distinct ones).

The product of its (nonzero) digits is 46448640, while the sum is 64.

The spelling of 5128327398880 in words is "five trillion, one hundred twenty-eight billion, three hundred twenty-seven million, three hundred ninety-eight thousand, eight hundred eighty".

Divisors: 1 2 4 5 7 8 10 14 16 20 28 32 35 40 56 70 80 112 140 160 224 280 560 1120 4578863749 9157727498 18315454996 22894318745 32052046243 36630909992 45788637490 64104092486 73261819984 91577274980 128208184972 146523639968 160260231215 183154549960 256416369944 320520462430 366309099920 512832739888 641040924860 732618199840 1025665479776 1282081849720 2564163699440 5128327398880