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82539711841 = 791044806479
BaseRepresentation
bin100110011011111000…
…0000000110101100001
321220001100000210200111
41030313300000311201
52323020131234331
6101530200251321
75651260655206
oct1146760006541
9256040023614
1082539711841
1132006574194
1213bb6470b41
137a253598a2
143dd01a5cad
152231440db1
hex1337c00d61

82539711841 has 4 divisors (see below), whose sum is σ = 83584518400. Its totient is φ = 81494905284.

The previous prime is 82539711833. The next prime is 82539711883. The reversal of 82539711841 is 14811793528.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 82539711841 - 23 = 82539711833 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (82539211841) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 522403161 + ... + 522403318.

It is an arithmetic number, because the mean of its divisors is an integer number (20896129600).

Almost surely, 282539711841 is an apocalyptic number.

It is an amenable number.

82539711841 is a deficient number, since it is larger than the sum of its proper divisors (1044806559).

82539711841 is a wasteful number, since it uses less digits than its factorization.

82539711841 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1044806558.

The product of its digits is 483840, while the sum is 49.

The spelling of 82539711841 in words is "eighty-two billion, five hundred thirty-nine million, seven hundred eleven thousand, eight hundred forty-one".

Divisors: 1 79 1044806479 82539711841