Base | Representation |
---|---|
bin | 100110001111111011… |
… | …1000101110101011111 |
3 | 21212000101212011121022 |
4 | 1030133313011311133 |
5 | 2321210030223033 |
6 | 101422321554355 |
7 | 5635323151616 |
oct | 1143767056537 |
9 | 255011764538 |
10 | 82138914143 |
11 | 31920303a20 |
12 | 13b041a59bb |
13 | 79902c91a0 |
14 | 3d92c7487d |
15 | 220b171098 |
hex | 131fdc5d5f |
82138914143 has 32 divisors (see below), whose sum is σ = 97028511552. Its totient is φ = 68550451200.
The previous prime is 82138914139. The next prime is 82138914227. The reversal of 82138914143 is 34141983128.
It is not a de Polignac number, because 82138914143 - 22 = 82138914139 is a prime.
It is a super-2 number, since 2×821389141432 (a number of 23 digits) contains 22 as substring.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 82138914094 and 82138914103.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (82138904143) 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, 24791255 + ... + 24794567.
It is an arithmetic number, because the mean of its divisors is an integer number (3032140986).
Almost surely, 282138914143 is an apocalyptic number.
82138914143 is a deficient number, since it is larger than the sum of its proper divisors (14889597409).
82138914143 is a wasteful number, since it uses less digits than its factorization.
82138914143 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 4235.
The product of its digits is 165888, while the sum is 44.
The spelling of 82138914143 in words is "eighty-two billion, one hundred thirty-eight million, nine hundred fourteen thousand, one hundred forty-three".
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