Base | Representation |
---|---|
bin | 100110010001011110… |
… | …0100100110110001010 |
3 | 21212011000021022212000 |
4 | 1030202330210312022 |
5 | 2321311303333110 |
6 | 101431411331430 |
7 | 5636522166024 |
oct | 1144274446612 |
9 | 255130238760 |
10 | 82190683530 |
11 | 3194755303a |
12 | 13b195b0b76 |
13 | 799ac53a67 |
14 | 3d99aad014 |
15 | 221099a1c0 |
hex | 1322f24d8a |
82190683530 has 64 divisors (see below), whose sum is σ = 232067825280. Its totient is φ = 20628248832.
The previous prime is 82190683469. The next prime is 82190683537. The reversal of 82190683530 is 3538609128.
It is a happy number.
82190683530 is a `hidden beast` number, since 8 + 21 + 90 + 6 + 8 + 3 + 530 = 666.
It is a super-2 number, since 2×821906835302 (a number of 23 digits) contains 22 as substring.
It is a Harshad number since it is a multiple of its sum of digits (45).
It is not an unprimeable number, because it can be changed into a prime (82190683537) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 8948644 + ... + 8957823.
It is an arithmetic number, because the mean of its divisors is an integer number (3626059770).
Almost surely, 282190683530 is an apocalyptic number.
82190683530 is an abundant number, since it is smaller than the sum of its proper divisors (149877141750).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
82190683530 is a wasteful number, since it uses less digits than its factorization.
82190683530 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 17906500 (or 17906494 counting only the distinct ones).
The product of its (nonzero) digits is 311040, while the sum is 45.
The spelling of 82190683530 in words is "eighty-two billion, one hundred ninety million, six hundred eighty-three thousand, five hundred thirty".
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