Search a number
-
+
82108270971 = 33113186114461
BaseRepresentation
bin100110001111000001…
…0001100100101111011
321211221021012100002000
41030132002030211323
52321124204132341
6101415305112043
75634501534126
oct1143602144573
9254837170060
1082108270971
1131904a84291
1213ab5a88623
137986b5a52c
143d8cb793bd
15220861b8b6
hex131e08c97b

82108270971 has 32 divisors (see below), whose sum is σ = 122792792640. Its totient is φ = 54221529600.

The previous prime is 82108270967. The next prime is 82108270997. The reversal of 82108270971 is 17907280128.

It is not a de Polignac number, because 82108270971 - 22 = 82108270967 is a prime.

It is a super-2 number, since 2×821082709712 (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (82108270171) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 5670681 + ... + 5685141.

It is an arithmetic number, because the mean of its divisors is an integer number (3837274770).

Almost surely, 282108270971 is an apocalyptic number.

82108270971 is a deficient number, since it is larger than the sum of its proper divisors (40684521669).

82108270971 is a wasteful number, since it uses less digits than its factorization.

82108270971 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16444 (or 16438 counting only the distinct ones).

The product of its (nonzero) digits is 112896, while the sum is 45.

The spelling of 82108270971 in words is "eighty-two billion, one hundred eight million, two hundred seventy thousand, nine hundred seventy-one".

Divisors: 1 3 9 27 113 339 1017 1861 3051 5583 14461 16749 43383 50247 130149 210293 390447 630879 1634093 1892637 4902279 5677911 14706837 26911921 44120511 80735763 242207289 726621867 3041047073 9123141219 27369423657 82108270971