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16220930569 is a prime number
BaseRepresentation
bin11110001101101011…
…11100001000001001
31112212110112122120021
433012311330020021
5231210024234234
611241330500441
71112653430524
oct170665741011
945773478507
1016220930569
116974324248
123188434721
1316b678b38c
14adc441bbb
1564e0d69b4
hex3c6d7c209

16220930569 has 2 divisors, whose sum is σ = 16220930570. Its totient is φ = 16220930568.

The previous prime is 16220930567. The next prime is 16220930603. The reversal of 16220930569 is 96503902261.

16220930569 is digitally balanced in base 2, 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., 15931488400 + 289442169 = 126220^2 + 17013^2 .

It is a cyclic number.

It is not a de Polignac number, because 16220930569 - 21 = 16220930567 is a prime.

It is a super-2 number, since 2×162209305692 (a number of 21 digits) contains 22 as substring.

Together with 16220930567, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (16220930567) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8110465284 + 8110465285.

It is an arithmetic number, because the mean of its divisors is an integer number (8110465285).

Almost surely, 216220930569 is an apocalyptic number.

It is an amenable number.

16220930569 is a deficient number, since it is larger than the sum of its proper divisors (1).

16220930569 is an equidigital number, since it uses as much as digits as its factorization.

16220930569 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 174960, while the sum is 43.

The spelling of 16220930569 in words is "sixteen billion, two hundred twenty million, nine hundred thirty thousand, five hundred sixty-nine".