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8868372480 = 21339511
BaseRepresentation
bin10000100001001100…
…01010000000000000
3211220001102000000000
420100212022000000
5121130300404410
64024000000000
7432523631232
oct102046120000
924801360000
108868372480
113840a68560
121876000000
13ab4414aa6
14601b50252
1536d87adc0
hex21098a000

8868372480 has 560 divisors, whose sum is σ = 34825801824. Its totient is φ = 2149908480.

The previous prime is 8868372467. The next prime is 8868372511. The reversal of 8868372480 is 842738688.

8868372480 is a `hidden beast` number, since 8 + 86 + 83 + 7 + 2 + 480 = 666.

It is a super-4 number, since 4×88683724804 (a number of 41 digits) contains 4444 as substring.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 806215675 + ... + 806215685.

Almost surely, 28868372480 is an apocalyptic number.

8868372480 is a gapful number since it is divisible by the number (80) 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 8868372480, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (17412900912).

8868372480 is an abundant number, since it is smaller than the sum of its proper divisors (25957429344).

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

8868372480 is an frugal number, since it uses more digits than its factorization.

8868372480 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 69 (or 21 counting only the distinct ones).

The product of its (nonzero) digits is 4128768, while the sum is 54.

The square root of 8868372480 is about 94172.0366138484. The cubic root of 8868372480 is about 2069.8933782511.

The spelling of 8868372480 in words is "eight billion, eight hundred sixty-eight million, three hundred seventy-two thousand, four hundred eighty".