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18714071 is a prime number
BaseRepresentation
bin100011101100…
…0110111010111
31022012202212202
41013120313113
514242322241
61505035115
7315031655
oct107306727
938182782
1018714071
11a622182
126325a9b
133b5301c
1426b1dd5
151999d9b
hex11d8dd7

18714071 has 2 divisors, whose sum is σ = 18714072. Its totient is φ = 18714070.

The previous prime is 18714067. The next prime is 18714079. The reversal of 18714071 is 17041781.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 18714071 - 22 = 18714067 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (18714079) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 9357035 + 9357036.

It is an arithmetic number, because the mean of its divisors is an integer number (9357036).

Almost surely, 218714071 is an apocalyptic number.

18714071 is a deficient number, since it is larger than the sum of its proper divisors (1).

18714071 is an equidigital number, since it uses as much as digits as its factorization.

18714071 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1568, while the sum is 29.

The square root of 18714071 is about 4325.9763059915. The cubic root of 18714071 is about 265.4948437494.

The spelling of 18714071 in words is "eighteen million, seven hundred fourteen thousand, seventy-one".