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8949174868 = 225342213089
BaseRepresentation
bin10000101010110100…
…11001001001010100
3212002200110012001001
420111122121021110
5121311442043433
64040003513044
7434524505554
oct102532311124
925080405031
108949174868
113882637597
121899088784
13ac809645a
1460c785164
153759dc57d
hex215699254

8949174868 has 12 divisors (see below), whose sum is σ = 15956548020. Its totient is φ = 4390161152.

The previous prime is 8949174863. The next prime is 8949174881. The reversal of 8949174868 is 8684719498.

It can be written as a sum of positive squares in 2 ways, for example, as 2499800004 + 6449374864 = 49998^2 + 80308^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8949174863) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 21106333 + ... + 21106756.

It is an arithmetic number, because the mean of its divisors is an integer number (1329712335).

Almost surely, 28949174868 is an apocalyptic number.

It is an amenable number.

8949174868 is a deficient number, since it is larger than the sum of its proper divisors (7007373152).

8949174868 is a wasteful number, since it uses less digits than its factorization.

8949174868 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42213146 (or 42213144 counting only the distinct ones).

The product of its digits is 27869184, while the sum is 64.

The square root of 8949174868 is about 94600.0785834769. The cubic root of 8949174868 is about 2076.1608537468.

The spelling of 8949174868 in words is "eight billion, nine hundred forty-nine million, one hundred seventy-four thousand, eight hundred sixty-eight".

Divisors: 1 2 4 53 106 212 42213089 84426178 168852356 2237293717 4474587434 8949174868