Base | Representation |
---|---|
bin | 110110001000110… |
… | …0011001101101110 |
3 | 11200121010210102210 |
4 | 1230101203031232 |
5 | 12210013240024 |
6 | 500130431250 |
7 | 63005223012 |
oct | 15421431556 |
9 | 4617123383 |
10 | 1816540014 |
11 | 852431443 |
12 | 428432526 |
13 | 22c461663 |
14 | 133380542 |
15 | a9724129 |
hex | 6c46336e |
1816540014 has 32 divisors (see below), whose sum is σ = 3724509600. Its totient is φ = 590297600.
The previous prime is 1816540009. The next prime is 1816540039. The reversal of 1816540014 is 4100456181.
1816540014 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 524962 + ... + 528410.
It is an arithmetic number, because the mean of its divisors is an integer number (116390925).
Almost surely, 21816540014 is an apocalyptic number.
1816540014 is an abundant number, since it is smaller than the sum of its proper divisors (1907969586).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
1816540014 is a wasteful number, since it uses less digits than its factorization.
1816540014 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 5636.
The product of its (nonzero) digits is 3840, while the sum is 30.
The square root of 1816540014 is about 42620.8870625659. The cubic root of 1816540014 is about 1220.1549597130.
Adding to 1816540014 its reverse (4100456181), we get a palindrome (5916996195).
The spelling of 1816540014 in words is "one billion, eight hundred sixteen million, five hundred forty thousand, fourteen".
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