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200320101209 is a prime number
BaseRepresentation
bin1011101010010000000…
…0100010101101011001
3201011001122121111210202
42322210000202231121
511240223421214314
6232005322551545
720321055523454
oct2724400425531
9634048544722
10200320101209
1177a56524a58
12329a69685b5
1315b75737487
1499a480849b
1553266040de
hex2ea4022b59

200320101209 has 2 divisors, whose sum is σ = 200320101210. Its totient is φ = 200320101208.

The previous prime is 200320101169. The next prime is 200320101217. The reversal of 200320101209 is 902101023002.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 181111527184 + 19208574025 = 425572^2 + 138595^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-200320101209 is a prime.

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 (200320101299) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 100160050604 + 100160050605.

It is an arithmetic number, because the mean of its divisors is an integer number (100160050605).

Almost surely, 2200320101209 is an apocalyptic number.

It is an amenable number.

200320101209 is a deficient number, since it is larger than the sum of its proper divisors (1).

200320101209 is an equidigital number, since it uses as much as digits as its factorization.

200320101209 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 216, while the sum is 20.

The spelling of 200320101209 in words is "two hundred billion, three hundred twenty million, one hundred one thousand, two hundred nine".