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18376234043 is a prime number
BaseRepresentation
bin10001000111010011…
…110001010000111011
31202102200010102002212
4101013103301100323
5300113303442133
612235242245335
71220244261236
oct210723612073
952380112085
1018376234043
11787a9a5692
12368a1b684b
13196b17058b
14c647a641d
15728425148
hex4474f143b

18376234043 has 2 divisors, whose sum is σ = 18376234044. Its totient is φ = 18376234042.

The previous prime is 18376234021. The next prime is 18376234087. The reversal of 18376234043 is 34043267381.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 18376234043 - 26 = 18376233979 is a prime.

It is a super-2 number, since 2×183762340432 (a number of 21 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (18376234543) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 9188117021 + 9188117022.

It is an arithmetic number, because the mean of its divisors is an integer number (9188117022).

Almost surely, 218376234043 is an apocalyptic number.

18376234043 is a deficient number, since it is larger than the sum of its proper divisors (1).

18376234043 is an equidigital number, since it uses as much as digits as its factorization.

18376234043 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 290304, while the sum is 41.

The spelling of 18376234043 in words is "eighteen billion, three hundred seventy-six million, two hundred thirty-four thousand, forty-three".