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8534807909 = 29409719569
BaseRepresentation
bin1111111001011011…
…01101010101100101
3211000210202011102122
413330231231111211
5114434402323114
63530522315325
7421333445615
oct77455552545
924023664378
108534807909
11368a749561
1217a2358b45
13a602946c4
145ad720a45
1534e43be8e
hex1fcb6d565

8534807909 has 8 divisors (see below), whose sum is σ = 8850711000. Its totient is φ = 8220344832.

The previous prime is 8534807903. The next prime is 8534807917. The reversal of 8534807909 is 9097084358.

8534807909 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 4 ways, for example, as 2132407684 + 6402400225 = 46178^2 + 80015^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 8534807909 - 212 = 8534803813 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 (8534807903) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 347924 + ... + 371645.

It is an arithmetic number, because the mean of its divisors is an integer number (1106338875).

Almost surely, 28534807909 is an apocalyptic number.

It is an amenable number.

8534807909 is a deficient number, since it is larger than the sum of its proper divisors (315903091).

8534807909 is a wasteful number, since it uses less digits than its factorization.

8534807909 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 720007.

The product of its (nonzero) digits is 2177280, while the sum is 53.

The square root of 8534807909 is about 92384.0241004904. The cubic root of 8534807909 is about 2043.6095193162.

The spelling of 8534807909 in words is "eight billion, five hundred thirty-four million, eight hundred seven thousand, nine hundred nine".

Divisors: 1 29 409 11861 719569 20867501 294303721 8534807909