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8955065509 = 13688851193
BaseRepresentation
bin10000101011100001…
…10111010010100101
3212010002112110110221
420111300313102211
5121314444044014
64040334044341
7434625541465
oct102560672245
925102473427
108955065509
1138859a0295
12189b0496b1
13ac9379740
1460d479ba5
153762a2b24
hex215c374a5

8955065509 has 4 divisors (see below), whose sum is σ = 9643916716. Its totient is φ = 8266214304.

The previous prime is 8955065473. The next prime is 8955065513. The reversal of 8955065509 is 9055605598.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 1644302500 + 7310763009 = 40550^2 + 85503^2 .

It is a cyclic number.

It is not a de Polignac number, because 8955065509 - 29 = 8955064997 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 (8955065309) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 344425584 + ... + 344425609.

It is an arithmetic number, because the mean of its divisors is an integer number (2410979179).

Almost surely, 28955065509 is an apocalyptic number.

It is an amenable number.

8955065509 is a deficient number, since it is larger than the sum of its proper divisors (688851207).

8955065509 is a wasteful number, since it uses less digits than its factorization.

8955065509 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 688851206.

The product of its (nonzero) digits is 2430000, while the sum is 52.

The square root of 8955065509 is about 94631.2079020447. The cubic root of 8955065509 is about 2076.6162862692.

The spelling of 8955065509 in words is "eight billion, nine hundred fifty-five million, sixty-five thousand, five hundred nine".

Divisors: 1 13 688851193 8955065509