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2112210029 is a prime number
BaseRepresentation
bin111110111100101…
…1100010001101101
312110012111101110002
41331321130101231
513311211210104
6545331554045
7103225326506
oct17571342155
95405441402
102112210029
11994318726
124ab45b925
132787a4627
14160747bad
15c567a01e
hex7de5c46d

2112210029 has 2 divisors, whose sum is σ = 2112210030. Its totient is φ = 2112210028.

The previous prime is 2112210013. The next prime is 2112210049. The reversal of 2112210029 is 9200122112.

It is a happy number.

It is an a-pointer prime, because the next prime (2112210049) can be obtained adding 2112210029 to its sum of digits (20).

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1216405129 + 895804900 = 34877^2 + 29930^2 .

It is a cyclic number.

It is not a de Polignac number, because 2112210029 - 24 = 2112210013 is a prime.

It is a super-2 number, since 2×21122100292 = 8922862413216361682, which contains 22 as substring.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2112210049) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1056105014 + 1056105015.

It is an arithmetic number, because the mean of its divisors is an integer number (1056105015).

Almost surely, 22112210029 is an apocalyptic number.

It is an amenable number.

2112210029 is a deficient number, since it is larger than the sum of its proper divisors (1).

2112210029 is an equidigital number, since it uses as much as digits as its factorization.

2112210029 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 144, while the sum is 20.

The square root of 2112210029 is about 45958.7862002468. The cubic root of 2112210029 is about 1283.0562605904.

The spelling of 2112210029 in words is "two billion, one hundred twelve million, two hundred ten thousand, twenty-nine".