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2985433309 is a prime number
BaseRepresentation
bin1011000111110010…
…0001100011011101
321201001121201121001
42301330201203131
522103232331214
61212124110301
7133660523125
oct26174414335
97631551531
102985433309
1112a2221261
126b3995391
133876841b1
142046d3c85
15127167c74
hexb1f218dd

2985433309 has 2 divisors, whose sum is σ = 2985433310. Its totient is φ = 2985433308.

The previous prime is 2985433307. The next prime is 2985433313. The reversal of 2985433309 is 9033345892.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1524512025 + 1460921284 = 39045^2 + 38222^2 .

It is a cyclic number.

It is not a de Polignac number, because 2985433309 - 21 = 2985433307 is a prime.

Together with 2985433307, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2985433307) 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, 1492716654 + 1492716655.

It is an arithmetic number, because the mean of its divisors is an integer number (1492716655).

Almost surely, 22985433309 is an apocalyptic number.

It is an amenable number.

2985433309 is a deficient number, since it is larger than the sum of its proper divisors (1).

2985433309 is an equidigital number, since it uses as much as digits as its factorization.

2985433309 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 699840, while the sum is 46.

The square root of 2985433309 is about 54639.1188527048. The cubic root of 2985433309 is about 1439.9114704126.

The spelling of 2985433309 in words is "two billion, nine hundred eighty-five million, four hundred thirty-three thousand, three hundred nine".