Base | Representation |
---|---|
bin | 1000000100001011… |
… | …0100100001111011 |
3 | 12120212211102002212 |
4 | 2001002310201323 |
5 | 13413220002230 |
6 | 554455245335 |
7 | 104436125162 |
oct | 20102644173 |
9 | 5525742085 |
10 | 2165000315 |
11 | a110a4865 |
12 | 50507984b |
13 | 2866c8a9a |
14 | 16776a3d9 |
15 | ca106895 |
hex | 810b487b |
2165000315 has 16 divisors (see below), whose sum is σ = 2747723520. Its totient is φ = 1633050720.
The previous prime is 2165000297. The next prime is 2165000377. The reversal of 2165000315 is 5130005612.
It is not a de Polignac number, because 2165000315 - 26 = 2165000251 is a prime.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 33959 + ... + 74048.
It is an arithmetic number, because the mean of its divisors is an integer number (171732720).
Almost surely, 22165000315 is an apocalyptic number.
2165000315 is a deficient number, since it is larger than the sum of its proper divisors (582723205).
2165000315 is a wasteful number, since it uses less digits than its factorization.
2165000315 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 108242.
The product of its (nonzero) digits is 900, while the sum is 23.
The square root of 2165000315 is about 46529.5638814722. The cubic root of 2165000315 is about 1293.6575315990.
Adding to 2165000315 its reverse (5130005612), we get a palindrome (7295005927).
The spelling of 2165000315 in words is "two billion, one hundred sixty-five million, three hundred fifteen", and thus it is an aban number.
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