Search a number
-
+
8198354801 = 71390091811
BaseRepresentation
bin1111010001010100…
…01111011101110001
3210011100122120112102
413220222033131301
5113242234323201
63433303110145
7410106603020
oct75052173561
923140576472
108198354801
11352783733a
121709742355
13a08672620
1457ab7c8b7
1532eb2c26b
hex1e8a8f771

8198354801 has 8 divisors (see below), whose sum is σ = 10090282944. Its totient is φ = 6486610320.

The previous prime is 8198354789. The next prime is 8198354819. The reversal of 8198354801 is 1084538918.

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 8198354801 - 210 = 8198353777 is a prime.

It is not an unprimeable number, because it can be changed into a prime (8198354861) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 45045815 + ... + 45045996.

It is an arithmetic number, because the mean of its divisors is an integer number (1261285368).

Almost surely, 28198354801 is an apocalyptic number.

It is an amenable number.

8198354801 is a deficient number, since it is larger than the sum of its proper divisors (1891928143).

8198354801 is a wasteful number, since it uses less digits than its factorization.

8198354801 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 90091831.

The product of its (nonzero) digits is 276480, while the sum is 47.

The square root of 8198354801 is about 90544.7668338706. The cubic root of 8198354801 is about 2016.3948047098.

The spelling of 8198354801 in words is "eight billion, one hundred ninety-eight million, three hundred fifty-four thousand, eight hundred one".

Divisors: 1 7 13 91 90091811 630642677 1171193543 8198354801