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3220213169 is a prime number
BaseRepresentation
bin1011111111110000…
…1000110110110001
322022102101210000102
42333330020312301
523043333310134
61251312202145
7142541234405
oct27774106661
98272353012
103220213169
1114027a98a8
1275a539355
133c41c7ca4
1422796b105
1513ca9237e
hexbff08db1

3220213169 has 2 divisors, whose sum is σ = 3220213170. Its totient is φ = 3220213168.

The previous prime is 3220213163. The next prime is 3220213207. The reversal of 3220213169 is 9613120223.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2071342144 + 1148871025 = 45512^2 + 33895^2 .

It is a cyclic number.

It is not a de Polignac number, because 3220213169 - 24 = 3220213153 is a prime.

It is a super-2 number, since 2×32202131692 = 20739545707602045122, which contains 22 as substring.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (3220213163) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1610106584 + 1610106585.

It is an arithmetic number, because the mean of its divisors is an integer number (1610106585).

Almost surely, 23220213169 is an apocalyptic number.

It is an amenable number.

3220213169 is a deficient number, since it is larger than the sum of its proper divisors (1).

3220213169 is an equidigital number, since it uses as much as digits as its factorization.

3220213169 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3888, while the sum is 29.

The square root of 3220213169 is about 56746.9221103665. The cubic root of 3220213169 is about 1476.7088373007.

The spelling of 3220213169 in words is "three billion, two hundred twenty million, two hundred thirteen thousand, one hundred sixty-nine".