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8945123684 = 2271307244429
BaseRepresentation
bin10000101010010101…
…11100000101100100
3212002101211100212012
420111022330011210
5121304422424214
64035341013352
7434445203540
oct102512740544
925071740765
108945123684
11388031a902
121897854258
13ac72a84c3
1460c00ca20
1537548c03e
hex2152bc164

8945123684 has 24 divisors (see below), whose sum is σ = 17904008640. Its totient is φ = 3830675616.

The previous prime is 8945123669. The next prime is 8945123741. The reversal of 8945123684 is 4863215498.

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, 85619 + ... + 158810.

It is an arithmetic number, because the mean of its divisors is an integer number (746000360).

Almost surely, 28945123684 is an apocalyptic number.

It is an amenable number.

8945123684 is an abundant number, since it is smaller than the sum of its proper divisors (8958884956).

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

8945123684 is a wasteful number, since it uses less digits than its factorization.

8945123684 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 245747 (or 245745 counting only the distinct ones).

The product of its digits is 1658880, while the sum is 50.

The square root of 8945123684 is about 94578.6639998684. The cubic root of 8945123684 is about 2075.8475220990.

The spelling of 8945123684 in words is "eight billion, nine hundred forty-five million, one hundred twenty-three thousand, six hundred eighty-four".

Divisors: 1 2 4 7 14 28 1307 2614 5228 9149 18298 36596 244429 488858 977716 1711003 3422006 6844012 319468703 638937406 1277874812 2236280921 4472561842 8945123684