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805035530509 = 737929709397
BaseRepresentation
bin10111011011011111101…
…10110101100100001101
32211221221022101012020121
423231233312311210031
5101142203043434014
61413454521144541
7112106350051000
oct13555766654415
92757838335217
10805035530509
1129046062a361
1211003092b151
135abb7298622
142ad6d035537
1515e1a416124
hexbb6fdb590d

805035530509 has 16 divisors (see below), whose sum is σ = 950700736000. Its totient is φ = 681295869072.

The previous prime is 805035530503. The next prime is 805035530567. The reversal of 805035530509 is 905035530508.

It is a happy number.

It is not a de Polignac number, because 805035530509 - 29 = 805035529997 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (805035530503) 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, 14827602 + ... + 14881795.

It is an arithmetic number, because the mean of its divisors is an integer number (59418796000).

Almost surely, 2805035530509 is an apocalyptic number.

It is an amenable number.

805035530509 is a deficient number, since it is larger than the sum of its proper divisors (145665205491).

805035530509 is an equidigital number, since it uses as much as digits as its factorization.

805035530509 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29709497 (or 29709483 counting only the distinct ones).

The product of its (nonzero) digits is 405000, while the sum is 43.

Subtracting 805035530509 from its reverse (905035530508), we obtain a palindrome (99999999999).

The spelling of 805035530509 in words is "eight hundred five billion, thirty-five million, five hundred thirty thousand, five hundred nine".

Divisors: 1 7 49 79 343 553 3871 27097 29709397 207965779 1455760453 2347042363 10190323171 16429296541 115005075787 805035530509