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489095590985 = 5234859387523
BaseRepresentation
bin1110001111000000101…
…11100111010001001001
31201202102220122100011222
413013200113213101021
531003131432402420
61012404251531425
750223146633411
oct7074027472111
91652386570158
10489095590985
1117947378a621
127a959159b75
1337176c82151
141995ad17641
15cac8677225
hex71e05e7449

489095590985 has 16 divisors (see below), whose sum is σ = 612452340864. Its totient is φ = 374252474112.

The previous prime is 489095590897. The next prime is 489095591027. The reversal of 489095590985 is 589095590984.

It is a cyclic number.

It is not a de Polignac number, because 489095590985 - 214 = 489095574601 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5544434 + ... + 5631956.

It is an arithmetic number, because the mean of its divisors is an integer number (38278271304).

Almost surely, 2489095590985 is an apocalyptic number.

It is an amenable number.

489095590985 is a deficient number, since it is larger than the sum of its proper divisors (123356749879).

489095590985 is a wasteful number, since it uses less digits than its factorization.

489095590985 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 136144.

The product of its (nonzero) digits is 209952000, while the sum is 71.

Subtracting 489095590985 from its reverse (589095590984), we obtain a palindrome (99999999999).

The spelling of 489095590985 in words is "four hundred eighty-nine billion, ninety-five million, five hundred ninety thousand, nine hundred eighty-five".

Divisors: 1 5 23 115 48593 87523 242965 437615 1117639 2013029 5588195 10065145 4253005139 21265025695 97819118197 489095590985