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8818123441 is a prime number
BaseRepresentation
bin10000011011001100…
…11110001010110001
3211202112212002021111
420031212132022301
5121024414422231
64015002553321
7431343545461
oct101546361261
924675762244
108818123441
113815667726
121861208841
13aa6ba022a
145d91cdba1
153692524b1
hex20d99e2b1

8818123441 has 2 divisors, whose sum is σ = 8818123442. Its totient is φ = 8818123440.

The previous prime is 8818123429. The next prime is 8818123451. The reversal of 8818123441 is 1443218188.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 7072137216 + 1745986225 = 84096^2 + 41785^2 .

It is a cyclic number.

It is not a de Polignac number, because 8818123441 - 211 = 8818121393 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 8818123394 and 8818123403.

It is not a weakly prime, because it can be changed into another prime (8818123451) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4409061720 + 4409061721.

It is an arithmetic number, because the mean of its divisors is an integer number (4409061721).

Almost surely, 28818123441 is an apocalyptic number.

It is an amenable number.

8818123441 is a deficient number, since it is larger than the sum of its proper divisors (1).

8818123441 is an equidigital number, since it uses as much as digits as its factorization.

8818123441 is an evil number, because the sum of its binary digits is even.

The product of its digits is 49152, while the sum is 40.

The square root of 8818123441 is about 93904.8637771229. The cubic root of 8818123441 is about 2065.9765672152.

The spelling of 8818123441 in words is "eight billion, eight hundred eighteen million, one hundred twenty-three thousand, four hundred forty-one".