Base | Representation |
---|---|
bin | 1011000111101110… |
… | …1100010101001001 |
3 | 21201001012122112211 |
4 | 2301323230111021 |
5 | 22103203342210 |
6 | 1212115305121 |
7 | 133655624422 |
oct | 26173542511 |
9 | 7631178484 |
10 | 2985215305 |
11 | 12a2092496 |
12 | 6b38ab1a1 |
13 | 387608bb7 |
14 | 204678649 |
15 | 12712338a |
hex | b1eec549 |
2985215305 has 32 divisors (see below), whose sum is σ = 3826569600. Its totient is φ = 2229207552.
The previous prime is 2985215297. The next prime is 2985215323. The reversal of 2985215305 is 5035125892.
It is a cyclic number.
It is not a de Polignac number, because 2985215305 - 23 = 2985215297 is a prime.
It is a super-3 number, since 3×29852153053 (a number of 29 digits) contains 333 as substring.
It is an unprimeable number.
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, 3745167 + ... + 3745963.
It is an arithmetic number, because the mean of its divisors is an integer number (119580300).
Almost surely, 22985215305 is an apocalyptic number.
It is an amenable number.
2985215305 is a deficient number, since it is larger than the sum of its proper divisors (841354295).
2985215305 is a wasteful number, since it uses less digits than its factorization.
2985215305 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1353.
The product of its (nonzero) digits is 108000, while the sum is 40.
The square root of 2985215305 is about 54637.1238719609. The cubic root of 2985215305 is about 1439.8764208828.
The spelling of 2985215305 in words is "two billion, nine hundred eighty-five million, two hundred fifteen thousand, three hundred five".
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