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2018104871 is a prime number
BaseRepresentation
bin111100001001001…
…1101011000100111
312012122102100102212
41320102131120213
513113113323441
6532130554035
7101003415446
oct17022353047
95178370385
102018104871
11946193072
12483a3891b
13262145cc3
1415204cd5d
15bc28beeb
hex7849d627

2018104871 has 2 divisors, whose sum is σ = 2018104872. Its totient is φ = 2018104870.

The previous prime is 2018104859. The next prime is 2018104873. The reversal of 2018104871 is 1784018102.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2018104871 - 214 = 2018088487 is a prime.

Together with 2018104873, 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 (2018104873) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1009052435 + 1009052436.

It is an arithmetic number, because the mean of its divisors is an integer number (1009052436).

Almost surely, 22018104871 is an apocalyptic number.

2018104871 is a deficient number, since it is larger than the sum of its proper divisors (1).

2018104871 is an equidigital number, since it uses as much as digits as its factorization.

2018104871 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3584, while the sum is 32.

The square root of 2018104871 is about 44923.3221278213. The cubic root of 2018104871 is about 1263.7114201184.

The spelling of 2018104871 in words is "two billion, eighteen million, one hundred four thousand, eight hundred seventy-one".