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2000030309 is a prime number
BaseRepresentation
bin111011100110110…
…0000101001100101
312011101102001210122
41313031200221211
513044001432214
6530243331325
7100363656104
oct16715405145
95141361718
102000030309
11936a68412
12479980b45
1325b4880b4
1414d8a603b
15ba8bb88e
hex77360a65

2000030309 has 2 divisors, whose sum is σ = 2000030310. Its totient is φ = 2000030308.

The previous prime is 2000030299. The next prime is 2000030341. The reversal of 2000030309 is 9030300002.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1998537025 + 1493284 = 44705^2 + 1222^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-2000030309 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2000030009) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1000015154 + 1000015155.

It is an arithmetic number, because the mean of its divisors is an integer number (1000015155).

Almost surely, 22000030309 is an apocalyptic number.

It is an amenable number.

2000030309 is a deficient number, since it is larger than the sum of its proper divisors (1).

2000030309 is an equidigital number, since it uses as much as digits as its factorization.

2000030309 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 162, while the sum is 17.

The square root of 2000030309 is about 44721.6984136336. The cubic root of 2000030309 is about 1259.9274143539.

The spelling of 2000030309 in words is "two billion, thirty thousand, three hundred nine".