Base | Representation |
---|---|
bin | 1111001001001110… |
… | …10101010011001101 |
3 | 202222121221100111000 |
4 | 13210213111103031 |
5 | 113122400432110 |
6 | 3422440250513 |
7 | 405323653152 |
oct | 74447252315 |
9 | 22877840430 |
10 | 8130483405 |
11 | 34a249a580 |
12 | 16aaa70a39 |
13 | 9c759a935 |
14 | 571b52229 |
15 | 328bc21c0 |
hex | 1e49d54cd |
8130483405 has 128 divisors (see below), whose sum is σ = 16111872000. Its totient is φ = 3857103360.
The previous prime is 8130483397. The next prime is 8130483407. The reversal of 8130483405 is 5043840318.
8130483405 is a `hidden beast` number, since 8 + 1 + 304 + 8 + 340 + 5 = 666.
It is not a de Polignac number, because 8130483405 - 23 = 8130483397 is a prime.
It is a super-2 number, since 2×81304834052 (a number of 21 digits) contains 22 as substring.
It is a self number, because there is not a number n which added to its sum of digits gives 8130483405.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (8130483407) by changing a digit.
It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 19404286 + ... + 19404704.
It is an arithmetic number, because the mean of its divisors is an integer number (125874000).
Almost surely, 28130483405 is an apocalyptic number.
It is an amenable number.
8130483405 is a deficient number, since it is larger than the sum of its proper divisors (7981388595).
8130483405 is a wasteful number, since it uses less digits than its factorization.
8130483405 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 696 (or 690 counting only the distinct ones).
The product of its (nonzero) digits is 46080, while the sum is 36.
The square root of 8130483405 is about 90169.1932147560. The cubic root of 8130483405 is about 2010.8150292397.
The spelling of 8130483405 in words is "eight billion, one hundred thirty million, four hundred eighty-three thousand, four hundred five".
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