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448220877089 is a prime number
BaseRepresentation
bin1101000010111000000…
…10111101000100100001
31120211221021122201210112
412201130002331010201
524320424021031324
6541524304541105
744245221410336
oct6413402750441
91524837581715
10448220877089
111630a9000037
1272a50321795
133336191a6cb
14179a04d298d
15b9d4eaac0e
hex685c0bd121

448220877089 has 2 divisors, whose sum is σ = 448220877090. Its totient is φ = 448220877088.

The previous prime is 448220877023. The next prime is 448220877127. The reversal of 448220877089 is 980778022844.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 413684371489 + 34536505600 = 643183^2 + 185840^2 .

It is a cyclic number.

It is not a de Polignac number, because 448220877089 - 28 = 448220876833 is a prime.

It is a super-2 number, since 2×4482208770892 (a number of 24 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (448220870089) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 224110438544 + 224110438545.

It is an arithmetic number, because the mean of its divisors is an integer number (224110438545).

Almost surely, 2448220877089 is an apocalyptic number.

It is an amenable number.

448220877089 is a deficient number, since it is larger than the sum of its proper divisors (1).

448220877089 is an equidigital number, since it uses as much as digits as its factorization.

448220877089 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 14450688, while the sum is 59.

The spelling of 448220877089 in words is "four hundred forty-eight billion, two hundred twenty million, eight hundred seventy-seven thousand, eighty-nine".