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8198228918 = 211237390823
BaseRepresentation
bin1111010001010011…
…10000101110110110
3210011100102011212002
413220221300232312
5113242221311133
63433300255302
7410105540015
oct75051605666
923140364762
108198228918
113527760800
1217096a1532
13a0862a239
1457ab48a7c
1532eb04ce8
hex1e8a70bb6

8198228918 has 24 divisors (see below), whose sum is σ = 13553302224. Its totient is φ = 3716436240.

The previous prime is 8198228917. The next prime is 8198228939.

8198228918 is nontrivially palindromic in base 10.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8198228917) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 44855 + ... + 135677.

It is an arithmetic number, because the mean of its divisors is an integer number (564720926).

Almost surely, 28198228918 is an apocalyptic number.

8198228918 is a deficient number, since it is larger than the sum of its proper divisors (5355073306).

8198228918 is a wasteful number, since it uses less digits than its factorization.

8198228918 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 91220 (or 91209 counting only the distinct ones).

The product of its digits is 1327104, while the sum is 56.

The square root of 8198228918 is about 90544.0716888743. The cubic root of 8198228918 is about 2016.3844843007.

The spelling of 8198228918 in words is "eight billion, one hundred ninety-eight million, two hundred twenty-eight thousand, nine hundred eighteen".

Divisors: 1 2 11 22 121 242 373 746 4103 8206 45133 90266 90823 181646 999053 1998106 10989583 21979166 33876979 67753958 372646769 745293538 4099114459 8198228918