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18141005479 is a prime number
BaseRepresentation
bin10000111001010010…
…011100011010100111
31201211021111120011211
4100321102130122213
5244123044133404
612200040412251
71211360000542
oct207122343247
951737446154
1018141005479
11776a140a13
123623477087
13193150048c
14c41453859
1571295cb04
hex43949c6a7

18141005479 has 2 divisors, whose sum is σ = 18141005480. Its totient is φ = 18141005478.

The previous prime is 18141005437. The next prime is 18141005489. The reversal of 18141005479 is 97450014181.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 18141005479 - 211 = 18141003431 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (18141005489) 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, 9070502739 + 9070502740.

It is an arithmetic number, because the mean of its divisors is an integer number (9070502740).

Almost surely, 218141005479 is an apocalyptic number.

18141005479 is a deficient number, since it is larger than the sum of its proper divisors (1).

18141005479 is an equidigital number, since it uses as much as digits as its factorization.

18141005479 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 40320, while the sum is 40.

The spelling of 18141005479 in words is "eighteen billion, one hundred forty-one million, five thousand, four hundred seventy-nine".