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8196508818 = 232455361601
BaseRepresentation
bin1111010001000110…
…01100110010010010
3210011020011210022200
413220203030302102
5113241301240233
63433155344030
7410055114111
oct75043146222
923136153280
108196508818
113526796433
121708bb2016
13a08177324
1457a81bc78
1532e8b5313
hex1e88ccc92

8196508818 has 12 divisors (see below), whose sum is σ = 17759102478. Its totient is φ = 2732169600.

The previous prime is 8196508783. The next prime is 8196508829. The reversal of 8196508818 is 8188056918.

It can be written as a sum of positive squares in only one way, i.e., 4847919129 + 3348589689 = 69627^2 + 57867^2 .

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 227680783 + ... + 227680818.

Almost surely, 28196508818 is an apocalyptic number.

8196508818 is an abundant number, since it is smaller than the sum of its proper divisors (9562593660).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

8196508818 is a wasteful number, since it uses less digits than its factorization.

8196508818 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 455361609 (or 455361606 counting only the distinct ones).

The product of its (nonzero) digits is 1105920, while the sum is 54.

The square root of 8196508818 is about 90534.5725013379. The cubic root of 8196508818 is about 2016.2434528013.

The spelling of 8196508818 in words is "eight billion, one hundred ninety-six million, five hundred eight thousand, eight hundred eighteen".

Divisors: 1 2 3 6 9 18 455361601 910723202 1366084803 2732169606 4098254409 8196508818