Base | Representation |
---|---|
bin | 1111100111100101… |
… | …00010101101000011 |
3 | 210122101000012112101 |
4 | 13303302202231003 |
5 | 114133040031011 |
6 | 3504013211231 |
7 | 414535001521 |
oct | 76362425503 |
9 | 23571005471 |
10 | 8385080131 |
11 | 361318289a |
12 | 1760190b17 |
13 | a3825c69c |
14 | 5978a7311 |
15 | 3412132c1 |
hex | 1f3ca2b43 |
8385080131 has 8 divisors (see below), whose sum is σ = 8454021120. Its totient is φ = 8316184968.
The previous prime is 8385080107. The next prime is 8385080161. The reversal of 8385080131 is 1310805838.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 8385080131 - 211 = 8385078083 is a prime.
It is a super-2 number, since 2×83850801312 (a number of 21 digits) contains 22 as substring.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (8385080101) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 423000 + ... + 442378.
It is an arithmetic number, because the mean of its divisors is an integer number (1056752640).
Almost surely, 28385080131 is an apocalyptic number.
8385080131 is a deficient number, since it is larger than the sum of its proper divisors (68940989).
8385080131 is a wasteful number, since it uses less digits than its factorization.
8385080131 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 22913.
The product of its (nonzero) digits is 23040, while the sum is 37.
The square root of 8385080131 is about 91570.0831658463. The cubic root of 8385080131 is about 2031.5884685794.
Adding to 8385080131 its reverse (1310805838), we get a palindrome (9695885969).
The spelling of 8385080131 in words is "eight billion, three hundred eighty-five million, eighty thousand, one hundred thirty-one".
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