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8939664341 = 49917915159
BaseRepresentation
bin10000101001101100…
…00111001111010101
3212002000120000001022
420110312013033111
5121302023224331
64035024010525
7434350615226
oct102466071725
925060500038
108939664341
113878231153
121895a60a45
13ac611661a
1460b3cb24d
15374c5e67b
hex214d873d5

8939664341 has 4 divisors (see below), whose sum is σ = 8957580000. Its totient is φ = 8921748684.

The previous prime is 8939664289. The next prime is 8939664343. The reversal of 8939664341 is 1434669398.

8939664341 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 8939664341 - 214 = 8939647957 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8939664343) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 8957081 + ... + 8958078.

It is an arithmetic number, because the mean of its divisors is an integer number (2239395000).

Almost surely, 28939664341 is an apocalyptic number.

It is an amenable number.

8939664341 is a deficient number, since it is larger than the sum of its proper divisors (17915659).

8939664341 is a wasteful number, since it uses less digits than its factorization.

8939664341 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17915658.

The product of its digits is 3359232, while the sum is 53.

The square root of 8939664341 is about 94549.7982070824. The cubic root of 8939664341 is about 2075.4251292088.

The spelling of 8939664341 in words is "eight billion, nine hundred thirty-nine million, six hundred sixty-four thousand, three hundred forty-one".

Divisors: 1 499 17915159 8939664341