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9470009809 = 132411366721
BaseRepresentation
bin10001101000111010…
…01110000111010001
3220102222111100021001
420310131032013101
5123343310303214
64203411102001
7453450520021
oct106435160721
926388440231
109470009809
11401a634597
121a035a1901
13b7bc64a00
1465ba01a81
153a65bdc74
hex23474e1d1

9470009809 has 12 divisors (see below), whose sum is σ = 10504625292. Its totient is φ = 8528332800.

The previous prime is 9470009803. The next prime is 9470009821. The reversal of 9470009809 is 9089000749.

9470009809 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 6 ways, for example, as 2044396225 + 7425613584 = 45215^2 + 86172^2 .

It is not a de Polignac number, because 9470009809 - 229 = 8933138897 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (9470009803) 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, 676432 + ... + 690289.

It is an arithmetic number, because the mean of its divisors is an integer number (875385441).

Almost surely, 29470009809 is an apocalyptic number.

It is an amenable number.

9470009809 is a deficient number, since it is larger than the sum of its proper divisors (1034615483).

9470009809 is a wasteful number, since it uses less digits than its factorization.

9470009809 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1366788 (or 1366775 counting only the distinct ones).

The product of its (nonzero) digits is 163296, while the sum is 46.

The square root of 9470009809 is about 97313.9754043580. The cubic root of 9470009809 is about 2115.6807909228.

The spelling of 9470009809 in words is "nine billion, four hundred seventy million, nine thousand, eight hundred nine".

Divisors: 1 13 41 169 533 6929 1366721 17767373 56035561 230975849 728462293 9470009809