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8981114620 = 2251726415043
BaseRepresentation
bin10000101110101000…
…01110111011111100
3212011220112220010211
420113110032323330
5121343131131440
64043104242204
7435363133432
oct102724167374
925156486124
108981114620
113899672385
1218a7910364
13b0189a30a
14612adad52
153786eaeea
hex21750eefc

8981114620 has 24 divisors (see below), whose sum is σ = 19969773264. Its totient is φ = 3381125376.

The previous prime is 8981114609. The next prime is 8981114651. The reversal of 8981114620 is 264111898.

It is a hoax number, since the sum of its digits (40) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13207182 + ... + 13207861.

It is an arithmetic number, because the mean of its divisors is an integer number (832073886).

Almost surely, 28981114620 is an apocalyptic number.

It is an amenable number.

8981114620 is an abundant number, since it is smaller than the sum of its proper divisors (10988658644).

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

8981114620 is a wasteful number, since it uses less digits than its factorization.

8981114620 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26415069 (or 26415067 counting only the distinct ones).

The product of its (nonzero) digits is 27648, while the sum is 40.

The square root of 8981114620 is about 94768.7428427749. The cubic root of 8981114620 is about 2078.6278718498.

The spelling of 8981114620 in words is "eight billion, nine hundred eighty-one million, one hundred fourteen thousand, six hundred twenty".

Divisors: 1 2 4 5 10 17 20 34 68 85 170 340 26415043 52830086 105660172 132075215 264150430 449055731 528300860 898111462 1796222924 2245278655 4490557310 8981114620