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8657230069 is a prime number
BaseRepresentation
bin10000001000000001…
…01101100011110101
3211100100002212001201
420010000231203311
5120212222330234
63551014252501
7424351145545
oct100400554365
924310085051
108657230069
1137428650a4
121817357131
13a7c758c57
145c1aab325
1535a070314
hex20402d8f5

8657230069 has 2 divisors, whose sum is σ = 8657230070. Its totient is φ = 8657230068.

The previous prime is 8657230051. The next prime is 8657230111. The reversal of 8657230069 is 9600327568.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 7189344100 + 1467885969 = 84790^2 + 38313^2 .

It is a cyclic number.

It is not a de Polignac number, because 8657230069 - 229 = 8120359157 is a prime.

It is a super-2 number, since 2×86572300692 (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (8657230019) 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, 4328615034 + 4328615035.

It is an arithmetic number, because the mean of its divisors is an integer number (4328615035).

Almost surely, 28657230069 is an apocalyptic number.

It is an amenable number.

8657230069 is a deficient number, since it is larger than the sum of its proper divisors (1).

8657230069 is an equidigital number, since it uses as much as digits as its factorization.

8657230069 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 544320, while the sum is 46.

The square root of 8657230069 is about 93044.2371616856. The cubic root of 8657230069 is about 2053.3342582330.

The spelling of 8657230069 in words is "eight billion, six hundred fifty-seven million, two hundred thirty thousand, sixty-nine".