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384004827893 = 6139715856829
BaseRepresentation
bin1011001011010000111…
…10001010101011110101
31100201011221211102211002
411211220132022223311
522242420213443033
6452224232053045
736512666116121
oct5455036125365
91321157742732
10384004827893
111389457948a5
126250a534185
132a29988576b
141482bb2a581
159ec75583e8
hex596878aaf5

384004827893 has 8 divisors (see below), whose sum is σ = 391283137080. Its totient is φ = 376758233280.

The previous prime is 384004827887. The next prime is 384004827937. The reversal of 384004827893 is 398728400483.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 5752767409 + 378252060484 = 75847^2 + 615022^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 384004827893 - 216 = 384004762357 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (384004824893) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7904198 + ... + 7952631.

It is an arithmetic number, because the mean of its divisors is an integer number (48910392135).

Almost surely, 2384004827893 is an apocalyptic number.

It is an amenable number.

384004827893 is a deficient number, since it is larger than the sum of its proper divisors (7278309187).

384004827893 is a wasteful number, since it uses less digits than its factorization.

384004827893 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15857287.

The product of its (nonzero) digits is 9289728, while the sum is 56.

The spelling of 384004827893 in words is "three hundred eighty-four billion, four million, eight hundred twenty-seven thousand, eight hundred ninety-three".

Divisors: 1 61 397 24217 15856829 967266569 6295161113 384004827893