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8238357011 = 34992354489
BaseRepresentation
bin1111010110000101…
…10101101000010011
3210021010220220020202
413223002311220103
5113333004411021
63441252325415
7411103610363
oct75302655023
923233826222
108238357011
113548379615
12171b01386b
13a13a3a181
145821d29a3
153333cea0b
hex1eb0b5a13

8238357011 has 4 divisors (see below), whose sum is σ = 8240715000. Its totient is φ = 8235999024.

The previous prime is 8238356963. The next prime is 8238357019. The reversal of 8238357011 is 1107538328.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 8238357011 - 26 = 8238356947 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (8238357019) 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, 1173746 + ... + 1180743.

It is an arithmetic number, because the mean of its divisors is an integer number (2060178750).

Almost surely, 28238357011 is an apocalyptic number.

8238357011 is a deficient number, since it is larger than the sum of its proper divisors (2357989).

8238357011 is a wasteful number, since it uses less digits than its factorization.

8238357011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2357988.

The product of its (nonzero) digits is 40320, while the sum is 38.

The square root of 8238357011 is about 90765.3954489265. The cubic root of 8238357011 is about 2019.6690150604.

The spelling of 8238357011 in words is "eight billion, two hundred thirty-eight million, three hundred fifty-seven thousand, eleven".

Divisors: 1 3499 2354489 8238357011