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9008985888 = 253571931281
BaseRepresentation
bin10000110001111101…
…00011011100100000
3212020211222220100000
420120332203130200
5121422300022023
64045541500000
7436152054660
oct103076433440
925224886300
109008985888
113903379491
1218b5111600
13b075a83a6
146166b41a0
1537ada4243
hex218fa3720

9008985888 has 576 divisors, whose sum is σ = 33110138880. Its totient is φ = 2351462400.

The previous prime is 9008985847. The next prime is 9008985913. The reversal of 9008985888 is 8885898009.

It is a Harshad number since it is a multiple of its sum of digits (63).

It is a congruent number.

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, 32060308 + ... + 32060588.

It is an arithmetic number, because the mean of its divisors is an integer number (57482880).

Almost surely, 29008985888 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 9008985888, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (16555069440).

9008985888 is an abundant number, since it is smaller than the sum of its proper divisors (24101152992).

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

9008985888 is a wasteful number, since it uses less digits than its factorization.

9008985888 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 363 (or 343 counting only the distinct ones).

The product of its (nonzero) digits is 13271040, while the sum is 63.

The square root of 9008985888 is about 94915.6777776991. The cubic root of 9008985888 is about 2080.7758668673.

The spelling of 9008985888 in words is "nine billion, eight million, nine hundred eighty-five thousand, eight hundred eighty-eight".