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9809345411 = 12138086847
BaseRepresentation
bin10010010001010111…
…01011101110000011
3221022122000101012022
421020223223232003
5130042143023121
64301212152055
7465041026445
oct111053535603
927278011168
109809345411
114184135438
121a9916862b
13c04355ac8
14690ad4495
153c629caab
hex248aebb83

9809345411 has 4 divisors (see below), whose sum is σ = 9817433472. Its totient is φ = 9801257352.

The previous prime is 9809345393. The next prime is 9809345437. The reversal of 9809345411 is 1145439089.

9809345411 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1145439089 = 3972885237.

It is a cyclic number.

It is not a de Polignac number, because 9809345411 - 26 = 9809345347 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (9809345111) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4042211 + ... + 4044636.

It is an arithmetic number, because the mean of its divisors is an integer number (2454358368).

Almost surely, 29809345411 is an apocalyptic number.

9809345411 is a deficient number, since it is larger than the sum of its proper divisors (8088061).

9809345411 is a wasteful number, since it uses less digits than its factorization.

9809345411 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8088060.

The product of its (nonzero) digits is 155520, while the sum is 44.

The square root of 9809345411 is about 99042.1395720024. The cubic root of 9809345411 is about 2140.6549812601.

The spelling of 9809345411 in words is "nine billion, eight hundred nine million, three hundred forty-five thousand, four hundred eleven".

Divisors: 1 1213 8086847 9809345411