Base | Representation |
---|---|
bin | 10000110001001000… |
… | …000010000100011011 |
3 | 1201110201210221002121 |
4 | 100301020002010123 |
5 | 243333014332040 |
6 | 12134305242111 |
7 | 1205104654111 |
oct | 206110020433 |
9 | 51421727077 |
10 | 18004058395 |
11 | 76a9904604 |
12 | 35a5633337 |
13 | 190c0218bb |
14 | c2b1a5ab1 |
15 | 70590ac4a |
hex | 43120211b |
18004058395 has 16 divisors (see below), whose sum is σ = 22033039392. Its totient is φ = 14118307840.
The previous prime is 18004058389. The next prime is 18004058417. The reversal of 18004058395 is 59385040081.
It is a de Polignac number, because none of the positive numbers 2k-18004058395 is a prime.
It is a super-2 number, since 2×180040583952 (a number of 21 digits) contains 22 as substring.
It is a Duffinian number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 257979 + ... + 320251.
It is an arithmetic number, because the mean of its divisors is an integer number (1377064962).
Almost surely, 218004058395 is an apocalyptic number.
18004058395 is a deficient number, since it is larger than the sum of its proper divisors (4028980997).
18004058395 is a wasteful number, since it uses less digits than its factorization.
18004058395 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 63422.
The product of its (nonzero) digits is 172800, while the sum is 43.
The spelling of 18004058395 in words is "eighteen billion, four million, fifty-eight thousand, three hundred ninety-five".
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