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8831400197 is a prime number
BaseRepresentation
bin10000011100110010…
…00111100100000101
3211210110211121120012
420032121013210011
5121041314301242
64020155320005
7431564443304
oct101631074405
924713747505
108831400197
113822105754
121865750005
13aa986b3b9
145dac8843b
1536a4c6282
hex20e647905

8831400197 has 2 divisors, whose sum is σ = 8831400198. Its totient is φ = 8831400196.

The previous prime is 8831400169. The next prime is 8831400209. The reversal of 8831400197 is 7910041388.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 6951223876 + 1880176321 = 83374^2 + 43361^2 .

It is a cyclic number.

It is not a de Polignac number, because 8831400197 - 26 = 8831400133 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (8831400797) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4415700098 + 4415700099.

It is an arithmetic number, because the mean of its divisors is an integer number (4415700099).

Almost surely, 28831400197 is an apocalyptic number.

It is an amenable number.

8831400197 is a deficient number, since it is larger than the sum of its proper divisors (1).

8831400197 is an equidigital number, since it uses as much as digits as its factorization.

8831400197 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 48384, while the sum is 41.

The square root of 8831400197 is about 93975.5297777033. The cubic root of 8831400197 is about 2067.0129068378.

The spelling of 8831400197 in words is "eight billion, eight hundred thirty-one million, four hundred thousand, one hundred ninety-seven".