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82106512270 = 2531264859717
BaseRepresentation
bin100110001110111101…
…1011111001110001110
321211221010212222120221
41030131323133032032
52321123231343040
6101415203301554
75634450560536
oct1143573371616
9254833788527
1082106512270
1131903a92a12
1213ab537a8ba
137986692b93
143d8c83c4c6
1522083c074a
hex131dedf38e

82106512270 has 16 divisors (see below), whose sum is σ = 152559197568. Its totient is φ = 31783165920.

The previous prime is 82106512237. The next prime is 82106512273. The reversal of 82106512270 is 7221560128.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (82106512273) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 132429549 + ... + 132430168.

It is an arithmetic number, because the mean of its divisors is an integer number (9534949848).

Almost surely, 282106512270 is an apocalyptic number.

82106512270 is a deficient number, since it is larger than the sum of its proper divisors (70452685298).

82106512270 is a wasteful number, since it uses less digits than its factorization.

82106512270 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 264859755.

The product of its (nonzero) digits is 13440, while the sum is 34.

The spelling of 82106512270 in words is "eighty-two billion, one hundred six million, five hundred twelve thousand, two hundred seventy".

Divisors: 1 2 5 10 31 62 155 310 264859717 529719434 1324298585 2648597170 8210651227 16421302454 41053256135 82106512270