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9880000885 = 59072178611
BaseRepresentation
bin10010011001110010…
…01101100101110101
3221111112222001021201
421030321031211311
5130213240012020
64312214412501
7466556423206
oct111471154565
927445861251
109880000885
114210003997
121ab8961131
13c15b93a91
1469a2475ad
153cc5a7a0a
hex24ce4d975

9880000885 has 8 divisors (see below), whose sum is σ = 11869078176. Its totient is φ = 7895282640.

The previous prime is 9880000873. The next prime is 9880000913. The reversal of 9880000885 is 5880000889.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 9880000885 - 25 = 9880000853 is a prime.

It is a super-2 number, since 2×98800008852 (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1084771 + ... + 1093840.

It is an arithmetic number, because the mean of its divisors is an integer number (1483634772).

Almost surely, 29880000885 is an apocalyptic number.

It is an amenable number.

9880000885 is a deficient number, since it is larger than the sum of its proper divisors (1989077291).

9880000885 is a wasteful number, since it uses less digits than its factorization.

9880000885 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2179523.

The product of its (nonzero) digits is 184320, while the sum is 46.

The square root of 9880000885 is about 99398.1935701047. The cubic root of 9880000885 is about 2145.7823127250.

The spelling of 9880000885 in words is "nine billion, eight hundred eighty million, eight hundred eighty-five", and thus it is an aban number.

Divisors: 1 5 907 4535 2178611 10893055 1976000177 9880000885