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505005050005 = 5894021282229
BaseRepresentation
bin1110101100101001010…
…01011000100010010101
31210021111200002121002221
413112110221120202111
531233222243100010
61023555054502341
751325332046021
oct7262451304225
91707450077087
10505005050005
11185198204665
1281a592049b1
1338811057121
141a629c3b381
15d20a235dda
hex7594a58895

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".

Divisors: 1 5 89 445 4021 20105 282229 357869 1411145 1789345 25118381 125591905 1134842809 5674214045 101001010001 505005050005