Base | Representation |
---|---|
bin | 10000111000110000… |
… | …011111110011010010 |
3 | 1201210122202110000011 |
4 | 100320300133303102 |
5 | 244113304401300 |
6 | 12155121545134 |
7 | 1211221235053 |
oct | 207060376322 |
9 | 51718673004 |
10 | 18132106450 |
11 | 7765112a47 |
12 | 36204a51aa |
13 | 192c705a93 |
14 | c401b872a |
15 | 711ca0eba |
hex | 438c1fcd2 |
18132106450 has 48 divisors (see below), whose sum is σ = 34937228160. Its totient is φ = 6993000000.
The previous prime is 18132106439. The next prime is 18132106463. The reversal of 18132106450 is 5460123181.
It is an unprimeable number.
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 in 23 ways as a sum of consecutive naturals, for example, 1080625 + ... + 1097275.
It is an arithmetic number, because the mean of its divisors is an integer number (727858920).
Almost surely, 218132106450 is an apocalyptic number.
18132106450 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
18132106450 is a deficient number, since it is larger than the sum of its proper divisors (16805121710).
18132106450 is a wasteful number, since it uses less digits than its factorization.
18132106450 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 17443 (or 17438 counting only the distinct ones).
The product of its (nonzero) digits is 5760, while the sum is 31.
The spelling of 18132106450 in words is "eighteen billion, one hundred thirty-two million, one hundred six thousand, four hundred fifty".
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