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82045639356 = 2236837136613
BaseRepresentation
bin100110001101001001…
…1010001101010111100
321211202220100022122120
41030122103101222330
52321012140424411
6101405150442540
75633111266512
oct1143223215274
9254686308576
1082045639356
113188269621a
1213a98b03450
137976b9b7c5
143d847144b2
152202d99106
hex131a4d1abc

82045639356 has 12 divisors (see below), whose sum is σ = 191439825192. Its totient is φ = 27348546448.

The previous prime is 82045639349. The next prime is 82045639367. The reversal of 82045639356 is 65393654028.

It is a tau number, because it is divible by the number of its divisors (12).

It is a Smith number, since the sum of its digits (51) coincides with the sum of the digits of its prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 82045639299 and 82045639308.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3418568295 + ... + 3418568318.

It is an arithmetic number, because the mean of its divisors is an integer number (15953318766).

Almost surely, 282045639356 is an apocalyptic number.

It is an amenable number.

82045639356 is an abundant number, since it is smaller than the sum of its proper divisors (109394185836).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

82045639356 is a wasteful number, since it uses less digits than its factorization.

82045639356 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6837136620 (or 6837136618 counting only the distinct ones).

The product of its (nonzero) digits is 4665600, while the sum is 51.

The spelling of 82045639356 in words is "eighty-two billion, forty-five million, six hundred thirty-nine thousand, three hundred fifty-six".

Divisors: 1 2 3 4 6 12 6837136613 13674273226 20511409839 27348546452 41022819678 82045639356