Base | Representation |
---|---|
bin | 10001011101010101… |
… | …001101011101111111 |
3 | 1210101102100202110201 |
4 | 101131111031131333 |
5 | 301342400213323 |
6 | 12340041344331 |
7 | 1232351624044 |
oct | 213525153577 |
9 | 53342322421 |
10 | 18745710463 |
11 | 7a4a5127a7 |
12 | 3771a980a7 |
13 | 19c988578c |
14 | c9b8a31cb |
15 | 74aaa98ad |
hex | 45d54d77f |
18745710463 has 2 divisors, whose sum is σ = 18745710464. Its totient is φ = 18745710462.
The previous prime is 18745710457. The next prime is 18745710499. The reversal of 18745710463 is 36401754781.
It is a weak prime.
It is a cyclic number.
It is not a de Polignac number, because 18745710463 - 225 = 18712156031 is a prime.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (18745710563) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 9372855231 + 9372855232.
It is an arithmetic number, because the mean of its divisors is an integer number (9372855232).
Almost surely, 218745710463 is an apocalyptic number.
18745710463 is a deficient number, since it is larger than the sum of its proper divisors (1).
18745710463 is an equidigital number, since it uses as much as digits as its factorization.
18745710463 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 564480, while the sum is 46.
The spelling of 18745710463 in words is "eighteen billion, seven hundred forty-five million, seven hundred ten thousand, four hundred sixty-three".
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