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2010090191 is a prime number
BaseRepresentation
bin111011111001111…
…1000101011001111
312012002100011100212
41313303320223033
513104040341231
6531243113035
7100545325154
oct16763705317
95162304325
102010090191
1194170956a
1248121277b
1326059aca5
14150d6422b
15bb70742b
hex77cf8acf

2010090191 has 2 divisors, whose sum is σ = 2010090192. Its totient is φ = 2010090190.

The previous prime is 2010090151. The next prime is 2010090193. The reversal of 2010090191 is 1910900102.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2010090191 - 222 = 2005895887 is a prime.

Together with 2010090193, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2010090193) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1005045095 + 1005045096.

It is an arithmetic number, because the mean of its divisors is an integer number (1005045096).

Almost surely, 22010090191 is an apocalyptic number.

2010090191 is a deficient number, since it is larger than the sum of its proper divisors (1).

2010090191 is an equidigital number, since it uses as much as digits as its factorization.

2010090191 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 162, while the sum is 23.

The square root of 2010090191 is about 44834.0293861705. The cubic root of 2010090191 is about 1262.0363039930.

Adding to 2010090191 its reverse (1910900102), we get a palindrome (3920990293).

The spelling of 2010090191 in words is "two billion, ten million, ninety thousand, one hundred ninety-one".