Base | Representation |
---|---|
bin | 10111111001110… |
… | …01001000000101 |
3 | 111222022001202120 |
4 | 23330321020011 |
5 | 402312341010 |
6 | 31521400153 |
7 | 4653216051 |
oct | 1374711005 |
9 | 458261676 |
10 | 200512005 |
11 | a3202701 |
12 | 57199059 |
13 | 32706375 |
14 | 1c8b6c61 |
15 | 1290ae70 |
hex | bf39205 |
200512005 has 16 divisors (see below), whose sum is σ = 322791360. Its totient is φ = 106282368.
The previous prime is 200511893. The next prime is 200512007. The reversal of 200512005 is 500215002.
200512005 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is not a de Polignac number, because 200512005 - 27 = 200511877 is a prime.
It is a Harshad number since it is a multiple of its sum of digits (15).
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (200512007) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 38560 + ... + 43449.
It is an arithmetic number, because the mean of its divisors is an integer number (20174460).
Almost surely, 2200512005 is an apocalyptic number.
It is an amenable number.
200512005 is a deficient number, since it is larger than the sum of its proper divisors (122279355).
200512005 is a wasteful number, since it uses less digits than its factorization.
200512005 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 82180.
The product of its (nonzero) digits is 100, while the sum is 15.
The square root of 200512005 is about 14160.2261634481. The cubic root of 200512005 is about 585.3021596320.
Adding to 200512005 its reverse (500215002), we get a palindrome (700727007).
The spelling of 200512005 in words is "two hundred million, five hundred twelve thousand, five".
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