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8944910812 = 223130771429
BaseRepresentation
bin10000101010010100…
…01000000111011100
3212002101102112212001
420111022020013130
5121304344121222
64035332252044
7434443326115
oct102512100734
925071375761
108944910812
113880194982
121897771024
13ac7232646
1460bd9520c
15375448e27
hex2152881dc

8944910812 has 12 divisors (see below), whose sum is σ = 15654313080. Its totient is φ = 4472249936.

The previous prime is 8944910809. The next prime is 8944910879. The reversal of 8944910812 is 2180194498.

It is a super-2 number, since 2×89449108122 (a number of 21 digits) contains 22 as substring.

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 3 ways as a sum of consecutive naturals, for example, 89514 + ... + 160942.

It is an arithmetic number, because the mean of its divisors is an integer number (1304526090).

Almost surely, 28944910812 is an apocalyptic number.

It is an amenable number.

8944910812 is a deficient number, since it is larger than the sum of its proper divisors (6709402268).

8944910812 is a wasteful number, since it uses less digits than its factorization.

8944910812 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 102740 (or 102738 counting only the distinct ones).

The product of its (nonzero) digits is 165888, while the sum is 46.

The square root of 8944910812 is about 94577.5386230790. The cubic root of 8944910812 is about 2075.8310552755.

The spelling of 8944910812 in words is "eight billion, nine hundred forty-four million, nine hundred ten thousand, eight hundred twelve".

Divisors: 1 2 4 31307 62614 71429 125228 142858 285716 2236227703 4472455406 8944910812