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101200002209 is a prime number
BaseRepresentation
bin101111000111111111…
…1010111110010100001
3100200012210122202210222
41132033333113302201
53124224200032314
6114253551132425
710211554553135
oct1361777276241
9320183582728
10101200002209
1139a11843569
1217743814115
13970a304c17
144c805913c5
152974775c8e
hex178ffd7ca1

101200002209 has 2 divisors, whose sum is σ = 101200002210. Its totient is φ = 101200002208.

The previous prime is 101200002181. The next prime is 101200002251. The reversal of 101200002209 is 902200002101.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 57705648400 + 43494353809 = 240220^2 + 208553^2 .

It is a cyclic number.

It is not a de Polignac number, because 101200002209 - 220 = 101198953633 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 (101200002259) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50600001104 + 50600001105.

It is an arithmetic number, because the mean of its divisors is an integer number (50600001105).

Almost surely, 2101200002209 is an apocalyptic number.

It is an amenable number.

101200002209 is a deficient number, since it is larger than the sum of its proper divisors (1).

101200002209 is an equidigital number, since it uses as much as digits as its factorization.

101200002209 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 72, while the sum is 17.

The spelling of 101200002209 in words is "one hundred one billion, two hundred million, two thousand, two hundred nine".