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2018394107 is a prime number
BaseRepresentation
bin111100001001110…
…0011111111111011
312012122222001012022
41320103203333323
513113202102412
6532141105055
7101006031632
oct17023437773
95178861168
102018394107
11946370404
12483b5818b
13262217852
141520c6519
15bc2e7a72
hex784e3ffb

2018394107 has 2 divisors, whose sum is σ = 2018394108. Its totient is φ = 2018394106.

The previous prime is 2018394101. The next prime is 2018394121. The reversal of 2018394107 is 7014938102.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-2018394107 is a prime.

It is not a weakly prime, because it can be changed into another prime (2018394101) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1009197053 + 1009197054.

It is an arithmetic number, because the mean of its divisors is an integer number (1009197054).

Almost surely, 22018394107 is an apocalyptic number.

2018394107 is a deficient number, since it is larger than the sum of its proper divisors (1).

2018394107 is an equidigital number, since it uses as much as digits as its factorization.

2018394107 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 12096, while the sum is 35.

The square root of 2018394107 is about 44926.5412312143. The cubic root of 2018394107 is about 1263.7717891939.

The spelling of 2018394107 in words is "two billion, eighteen million, three hundred ninety-four thousand, one hundred seven".