Base | Representation |
---|---|
bin | 10000111001010010… |
… | …011100011010100111 |
3 | 1201211021111120011211 |
4 | 100321102130122213 |
5 | 244123044133404 |
6 | 12200040412251 |
7 | 1211360000542 |
oct | 207122343247 |
9 | 51737446154 |
10 | 18141005479 |
11 | 776a140a13 |
12 | 3623477087 |
13 | 193150048c |
14 | c41453859 |
15 | 71295cb04 |
hex | 43949c6a7 |
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".
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