Base | Representation |
---|---|
bin | 101010010001011… |
… | …0011101000001001 |
3 | 10122211222201102102 |
4 | 1110202303220021 |
5 | 10401103114010 |
6 | 352425243145 |
7 | 50102201411 |
oct | 12442635011 |
9 | 3584881372 |
10 | 1418410505 |
11 | 668723896 |
12 | 3370334b5 |
13 | 197b26575 |
14 | d6545641 |
15 | 847ceba5 |
hex | 548b3a09 |
1418410505 has 4 divisors (see below), whose sum is σ = 1702092612. Its totient is φ = 1134728400.
The previous prime is 1418410493. The next prime is 1418410507. The reversal of 1418410505 is 5050148141.
It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 5050148141 = 3659 ⋅1380199.
It can be written as a sum of positive squares in 2 ways, for example, as 792760336 + 625650169 = 28156^2 + 25013^2 .
It is not a de Polignac number, because 1418410505 - 220 = 1417361929 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (1418410507) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 141841046 + ... + 141841055.
It is an arithmetic number, because the mean of its divisors is an integer number (425523153).
Almost surely, 21418410505 is an apocalyptic number.
It is an amenable number.
1418410505 is a deficient number, since it is larger than the sum of its proper divisors (283682107).
1418410505 is an equidigital number, since it uses as much as digits as its factorization.
1418410505 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 283682106.
The product of its (nonzero) digits is 3200, while the sum is 29.
The square root of 1418410505 is about 37661.7910487539. The cubic root of 1418410505 is about 1123.5713235617.
Adding to 1418410505 its reverse (5050148141), we get a palindrome (6468558646).
The spelling of 1418410505 in words is "one billion, four hundred eighteen million, four hundred ten thousand, five hundred five".
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