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6514468889 is a prime number
BaseRepresentation
bin1100001000100101…
…01110100000011001
3121211000010022022112
412010102232200121
5101320201001024
62554231402105
7320302033445
oct60422564031
917730108275
106514468889
11284327a995
121319823335
137ca848826
1445b28d825
15281dad00e
hex1844ae819

6514468889 has 2 divisors, whose sum is σ = 6514468890. Its totient is φ = 6514468888.

The previous prime is 6514468879. The next prime is 6514468907. The reversal of 6514468889 is 9888644156.

6514468889 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 5445702025 + 1068766864 = 73795^2 + 32692^2 .

It is a cyclic number.

It is not a de Polignac number, because 6514468889 - 28 = 6514468633 is a prime.

It is not a weakly prime, because it can be changed into another prime (6514468819) 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, 3257234444 + 3257234445.

It is an arithmetic number, because the mean of its divisors is an integer number (3257234445).

Almost surely, 26514468889 is an apocalyptic number.

It is an amenable number.

6514468889 is a deficient number, since it is larger than the sum of its proper divisors (1).

6514468889 is an equidigital number, since it uses as much as digits as its factorization.

6514468889 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 13271040, while the sum is 59.

The square root of 6514468889 is about 80712.2598432233. The cubic root of 6514468889 is about 1867.6393032159.

The spelling of 6514468889 in words is "six billion, five hundred fourteen million, four hundred sixty-eight thousand, eight hundred eighty-nine".