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82571043829 = 313797027921
BaseRepresentation
bin100110011100110011…
…1100010001111110101
321220010111222122002111
41030321213202033311
52323101141400304
6101533240011021
75652121202131
oct1147147421765
9256114878074
1082571043829
113202222439a
1214004a60a71
137a2b9a9c21
143dd44003c1
15223407e704
hex13399e23f5

82571043829 has 8 divisors (see below), whose sum is σ = 85459531520. Its totient is φ = 79696612800.

The previous prime is 82571043827. The next prime is 82571043833. The reversal of 82571043829 is 92834017528.

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

It is a cyclic number.

It is not a de Polignac number, because 82571043829 - 21 = 82571043827 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 (82571043827) 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, 3502212 + ... + 3525709.

It is an arithmetic number, because the mean of its divisors is an integer number (10682441440).

Almost surely, 282571043829 is an apocalyptic number.

It is an amenable number.

82571043829 is a deficient number, since it is larger than the sum of its proper divisors (2888487691).

82571043829 is a wasteful number, since it uses less digits than its factorization.

82571043829 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7028331.

The product of its (nonzero) digits is 967680, while the sum is 49.

The spelling of 82571043829 in words is "eighty-two billion, five hundred seventy-one million, forty-three thousand, eight hundred twenty-nine".

Divisors: 1 31 379 11749 7027921 217865551 2663582059 82571043829