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2212000001909 is a prime number
BaseRepresentation
bin100000001100000101011…
…110010110111101110101
321211110120002020210102122
4200030011132112331311
5242220134000030114
64412102340445325
7315545264534255
oct40140536267565
97743502223378
102212000001909
11783116375035
122b884a3a9845
1313078aa18b99
14790c058d965
153c814bc2e8e
hex20305796f75

2212000001909 has 2 divisors, whose sum is σ = 2212000001910. Its totient is φ = 2212000001908.

The previous prime is 2212000001833. The next prime is 2212000001923. The reversal of 2212000001909 is 9091000002122.

It is a happy number.

2212000001909 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1944638617009 + 267361384900 = 1394503^2 + 517070^2 .

It is a cyclic number.

It is not a de Polignac number, because 2212000001909 - 212 = 2211999997813 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2212000007909) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1106000000954 + 1106000000955.

It is an arithmetic number, because the mean of its divisors is an integer number (1106000000955).

Almost surely, 22212000001909 is an apocalyptic number.

It is an amenable number.

2212000001909 is a deficient number, since it is larger than the sum of its proper divisors (1).

2212000001909 is an equidigital number, since it uses as much as digits as its factorization.

2212000001909 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 648, while the sum is 26.

The spelling of 2212000001909 in words is "two trillion, two hundred twelve billion, one thousand, nine hundred nine".