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2198345533 is a prime number
BaseRepresentation
bin1000001100001000…
…0001011100111101
312200012120112010221
42003002001130331
514000234024113
61002050101341
7105322425436
oct20302013475
95605515127
102198345533
11a289aa59a
1251427a851
132905a2597
1416bd6a48d
15ccee198d
hex8308173d

2198345533 has 2 divisors, whose sum is σ = 2198345534. Its totient is φ = 2198345532.

The previous prime is 2198345519. The next prime is 2198345587. The reversal of 2198345533 is 3355438912.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1508390244 + 689955289 = 38838^2 + 26267^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-2198345533 is a prime.

It is a super-2 number, since 2×21983455332 = 9665446164922108178, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 2198345533.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2198345593) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1099172766 + 1099172767.

It is an arithmetic number, because the mean of its divisors is an integer number (1099172767).

Almost surely, 22198345533 is an apocalyptic number.

It is an amenable number.

2198345533 is a deficient number, since it is larger than the sum of its proper divisors (1).

2198345533 is an equidigital number, since it uses as much as digits as its factorization.

2198345533 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 388800, while the sum is 43.

The square root of 2198345533 is about 46886.5176036779. The cubic root of 2198345533 is about 1300.2653369639.

The spelling of 2198345533 in words is "two billion, one hundred ninety-eight million, three hundred forty-five thousand, five hundred thirty-three".