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2011204229 is a prime number
BaseRepresentation
bin111011111100000…
…1000101010000101
312012011102202112112
41313320020222011
513104332013404
6531323030405
7100560645116
oct16770105205
95164382475
102011204229
119422aa561
1248166b405
1326089b098
1415117420d
15bb87756e
hex77e08a85

2011204229 has 2 divisors, whose sum is σ = 2011204230. Its totient is φ = 2011204228.

The previous prime is 2011204189. The next prime is 2011204231. The reversal of 2011204229 is 9224021102.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1174432900 + 836771329 = 34270^2 + 28927^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-2011204229 is a prime.

It is a Sophie Germain prime.

Together with 2011204231, it forms a pair of twin primes.

It is a Chen 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 (2011200229) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1005602114 + 1005602115.

It is an arithmetic number, because the mean of its divisors is an integer number (1005602115).

Almost surely, 22011204229 is an apocalyptic number.

It is an amenable number.

2011204229 is a deficient number, since it is larger than the sum of its proper divisors (1).

2011204229 is an equidigital number, since it uses as much as digits as its factorization.

2011204229 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 576, while the sum is 23.

The square root of 2011204229 is about 44846.4516879541. The cubic root of 2011204229 is about 1262.2694107376.

The spelling of 2011204229 in words is "two billion, eleven million, two hundred four thousand, two hundred twenty-nine".