Base | Representation |
---|---|
bin | 1110101100101001010… |
… | …01011000100010010101 |
3 | 1210021111200002121002221 |
4 | 13112110221120202111 |
5 | 31233222243100010 |
6 | 1023555054502341 |
7 | 51325332046021 |
oct | 7262451304225 |
9 | 1707450077087 |
10 | 505005050005 |
11 | 185198204665 |
12 | 81a592049b1 |
13 | 38811057121 |
14 | 1a629c3b381 |
15 | d20a235dda |
hex | 7594a58895 |
505005050005 has 16 divisors (see below), whose sum is σ = 612969692400. Its totient is φ = 399363909120.
The previous prime is 505005050003. The next prime is 505005050009. The reversal of 505005050005 is 500050500505.
It can be written as a sum of positive squares in 8 ways, for example, as 103401476721 + 401603573284 = 321561^2 + 633722^2 .
It is not a de Polignac number, because 505005050005 - 21 = 505005050003 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (505005050003) 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, 1648231 + ... + 1930459.
It is an arithmetic number, because the mean of its divisors is an integer number (38310605775).
Almost surely, 2505005050005 is an apocalyptic number.
It is an amenable number.
505005050005 is a deficient number, since it is larger than the sum of its proper divisors (107964642395).
505005050005 is a wasteful number, since it uses less digits than its factorization.
505005050005 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 286344.
The product of its (nonzero) digits is 3125, while the sum is 25.
The spelling of 505005050005 in words is "five hundred five billion, five million, fifty thousand, five".
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