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8394916845 = 35779951589
BaseRepresentation
bin1111101000110000…
…00100001111101101
3210200001111221222010
413310120010033231
5114143044314340
63505004111433
7415014421140
oct76430041755
923601457863
108394916845
113618791307
121763535579
13a3a2c4b23
14598d08057
15342007b80
hex1f46043ed

8394916845 has 16 divisors (see below), whose sum is σ = 15350705280. Its totient is φ = 3837676224.

The previous prime is 8394916799. The next prime is 8394916867. The reversal of 8394916845 is 5486194938.

8394916845 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 8394916845 - 211 = 8394914797 is a prime.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 39975690 + ... + 39975899.

It is an arithmetic number, because the mean of its divisors is an integer number (959419080).

Almost surely, 28394916845 is an apocalyptic number.

It is an amenable number.

8394916845 is a deficient number, since it is larger than the sum of its proper divisors (6955788435).

8394916845 is a wasteful number, since it uses less digits than its factorization.

8394916845 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 79951604.

The product of its digits is 7464960, while the sum is 57.

The square root of 8394916845 is about 91623.7788186015. The cubic root of 8394916845 is about 2032.3825911915.

The spelling of 8394916845 in words is "eight billion, three hundred ninety-four million, nine hundred sixteen thousand, eight hundred forty-five".

Divisors: 1 3 5 7 15 21 35 105 79951589 239854767 399757945 559661123 1199273835 1678983369 2798305615 8394916845