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2105084291 is a prime number
BaseRepresentation
bin111110101111001…
…0000100110000011
312102201002100202212
41331132100212003
513302400144131
6544515132335
7103110630662
oct17536204603
95381070685
102105084291
119902a0a92
124a8ba40ab
1327717b10b
1415d810dd9
15c4c1da2b
hex7d790983

2105084291 has 2 divisors, whose sum is σ = 2105084292. Its totient is φ = 2105084290.

The previous prime is 2105084239. The next prime is 2105084299. The reversal of 2105084291 is 1924805012.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2105084291 - 26 = 2105084227 is a prime.

It is not a weakly prime, because it can be changed into another prime (2105084299) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1052542145 + 1052542146.

It is an arithmetic number, because the mean of its divisors is an integer number (1052542146).

Almost surely, 22105084291 is an apocalyptic number.

2105084291 is a deficient number, since it is larger than the sum of its proper divisors (1).

2105084291 is an equidigital number, since it uses as much as digits as its factorization.

2105084291 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5760, while the sum is 32.

The square root of 2105084291 is about 45881.1975759134. The cubic root of 2105084291 is about 1281.6117982790.

The spelling of 2105084291 in words is "two billion, one hundred five million, eighty-four thousand, two hundred ninety-one".