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204214574585 = 5779295724977
BaseRepresentation
bin1011111000110000100…
…0110001110111111001
3201112010001202020221102
42332030020301313321
511321212412341320
6233452003021145
720516425146320
oct2761410616771
9645101666842
10204214574585
117967489249a
12336b306a7b5
131634652b9a8
149c53b2d0b7
1554a3482175
hex2f8c231df9

204214574585 has 32 divisors (see below), whose sum is σ = 283718108160. Its totient is φ = 138207992832.

The previous prime is 204214574567. The next prime is 204214574609. The reversal of 204214574585 is 585475412402.

It is not a de Polignac number, because 204214574585 - 214 = 204214558201 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 8163617 + ... + 8188593.

It is an arithmetic number, because the mean of its divisors is an integer number (8866190880).

Almost surely, 2204214574585 is an apocalyptic number.

It is an amenable number.

204214574585 is a deficient number, since it is larger than the sum of its proper divisors (79503533575).

204214574585 is a wasteful number, since it uses less digits than its factorization.

204214574585 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28025.

The product of its (nonzero) digits is 1792000, while the sum is 47.

Adding to 204214574585 its reverse (585475412402), we get a palindrome (789689986987).

The spelling of 204214574585 in words is "two hundred four billion, two hundred fourteen million, five hundred seventy-four thousand, five hundred eighty-five".

Divisors: 1 5 7 35 79 395 553 2765 2957 14785 20699 24977 103495 124885 174839 233603 874195 1168015 1635221 1973183 8176105 9865915 13812281 69061405 73856989 369284945 516998923 2584994615 5834702131 29173510655 40842914917 204214574585