Base | Representation |
---|---|
bin | 10000110001100111… |
… | …010001000100001100 |
3 | 1201111022012220202202 |
4 | 100301213101010030 |
5 | 243342113340114 |
6 | 12135200541032 |
7 | 1205234365364 |
oct | 206147210414 |
9 | 51438186682 |
10 | 18012246284 |
11 | 770349725a |
12 | 35a8321778 |
13 | 191092a6c6 |
14 | c2c2d79a4 |
15 | 7064c6cde |
hex | 4319d110c |
18012246284 has 24 divisors (see below), whose sum is σ = 31690095360. Its totient is φ = 8958056976.
The previous prime is 18012246271. The next prime is 18012246331. The reversal of 18012246284 is 48264221081.
It is an unprimeable number.
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 7 ways as a sum of consecutive naturals, for example, 582977 + ... + 613095.
It is an arithmetic number, because the mean of its divisors is an integer number (1320420640).
Almost surely, 218012246284 is an apocalyptic number.
It is an amenable number.
18012246284 is a deficient number, since it is larger than the sum of its proper divisors (13677849076).
18012246284 is a wasteful number, since it uses less digits than its factorization.
18012246284 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 30917 (or 30915 counting only the distinct ones).
The product of its (nonzero) digits is 49152, while the sum is 38.
The spelling of 18012246284 in words is "eighteen billion, twelve million, two hundred forty-six thousand, two hundred eighty-four".
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