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805058280247 = 1329319511177
BaseRepresentation
bin10111011011100010011…
…01100111101100110111
32211221222220012000000111
423231301031213230313
5101142224404431442
61413501052523451
7112110044321524
oct13556115475467
92757886160014
10805058280247
112904724585a1
12110038480587
135abbbc02500
142ad7207814b
1515e1c40bb17
hexbb71367b37

805058280247 has 12 divisors (see below), whose sum is σ = 871844749680. Its totient is φ = 743049523008.

The previous prime is 805058280239. The next prime is 805058280287. The reversal of 805058280247 is 742082850508.

It is not a de Polignac number, because 805058280247 - 23 = 805058280239 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 805058280247.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (805058280287) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1319323 + ... + 1830499.

It is an arithmetic number, because the mean of its divisors is an integer number (72653729140).

Almost surely, 2805058280247 is an apocalyptic number.

805058280247 is a deficient number, since it is larger than the sum of its proper divisors (66786469433).

805058280247 is a wasteful number, since it uses less digits than its factorization.

805058280247 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 520522 (or 520509 counting only the distinct ones).

The product of its (nonzero) digits is 1433600, while the sum is 49.

The spelling of 805058280247 in words is "eight hundred five billion, fifty-eight million, two hundred eighty thousand, two hundred forty-seven".

Divisors: 1 13 169 9319 121147 511177 1574911 6645301 86388913 4763658463 61927560019 805058280247