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82067372871 = 31121372116477
BaseRepresentation
bin100110001101110011…
…0001011101101000111
321211211102020111102120
41030123212023231013
52321033221412441
6101411244341023
75633464105521
oct1143346135507
9254742214376
1082067372871
113189398aa00
1213aa4244773
13797b53ac83
143d87570a11
152204c3d966
hex131b98bb47

82067372871 has 24 divisors (see below), whose sum is σ = 120291113712. Its totient is φ = 49731158400.

The previous prime is 82067372837. The next prime is 82067372929. The reversal of 82067372871 is 17827376028.

It is a happy number.

It is not a de Polignac number, because 82067372871 - 211 = 82067370823 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (82067372171) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 4972485 + ... + 4988961.

It is an arithmetic number, because the mean of its divisors is an integer number (5012129738).

Almost surely, 282067372871 is an apocalyptic number.

82067372871 is a deficient number, since it is larger than the sum of its proper divisors (38223740841).

82067372871 is a wasteful number, since it uses less digits than its factorization.

82067372871 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30223 (or 30212 counting only the distinct ones).

The product of its (nonzero) digits is 1580544, while the sum is 51.

The spelling of 82067372871 in words is "eighty-two billion, sixty-seven million, three hundred seventy-two thousand, eight hundred seventy-one".

Divisors: 1 3 11 33 121 363 13721 16477 41163 49431 150931 181247 452793 543741 1660241 1993717 4980723 5981151 226080917 678242751 2486890087 7460670261 27355790957 82067372871