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8084644321 = 1317201118191
BaseRepresentation
bin1111000011110000…
…11110000111100001
3202212102200111002011
413201320132013201
5113024132104241
63414121552521
7404226225415
oct74170360741
922772614064
108084644321
113479630a36
121697645741
139bac3b410
14569a1cd45
15324b6a281
hex1e1e1e1e1

8084644321 has 16 divisors (see below), whose sum is σ = 9223780608. Its totient is φ = 7019884800.

The previous prime is 8084644307. The next prime is 8084644339. The reversal of 8084644321 is 1234464808.

It is a happy number.

8084644321 is nontrivially palindromic in base 16.

8084644321 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 8084644321 - 211 = 8084642273 is a prime.

It is a super-2 number, since 2×80846443212 (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

8084644321 is an undulating number in base 16.

It is not an unprimeable number, because it can be changed into a prime (8084644361) 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 15 ways as a sum of consecutive naturals, for example, 435336 + ... + 453526.

It is an arithmetic number, because the mean of its divisors is an integer number (576486288).

Almost surely, 28084644321 is an apocalyptic number.

It is an amenable number.

8084644321 is a deficient number, since it is larger than the sum of its proper divisors (1139136287).

8084644321 is a wasteful number, since it uses less digits than its factorization.

8084644321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20232.

The product of its (nonzero) digits is 147456, while the sum is 40.

The square root of 8084644321 is about 89914.6502022891. The cubic root of 8084644321 is about 2007.0289613284.

The spelling of 8084644321 in words is "eight billion, eighty-four million, six hundred forty-four thousand, three hundred twenty-one".

Divisors: 1 13 17 221 2011 18191 26143 34187 236483 309247 444431 4020211 36582101 475567313 621895717 8084644321