Base | Representation |
---|---|
bin | 10001001101010000… |
… | …111010101001010010 |
3 | 1202200122010122010001 |
4 | 101031100322221102 |
5 | 300314343234310 |
6 | 12253212000214 |
7 | 1222566451402 |
oct | 211520725122 |
9 | 52618118101 |
10 | 18476149330 |
11 | 7921339501 |
12 | 36b776006a |
13 | 1985a84652 |
14 | c73b74802 |
15 | 7320ae93a |
hex | 44d43aa52 |
18476149330 has 16 divisors (see below), whose sum is σ = 33380705880. Its totient is φ = 7362984832.
The previous prime is 18476149291. The next prime is 18476149333. The reversal of 18476149330 is 3394167481.
It is a Cunningham number, because it is equal to 1359272+1.
It can be written as a sum of positive squares in 4 ways, for example, as 11389371841 + 7086777489 = 106721^2 + 84183^2 .
It is not an unprimeable number, because it can be changed into a prime (18476149333) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3431539 + ... + 3436918.
Almost surely, 218476149330 is an apocalyptic number.
18476149330 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
18476149330 is a deficient number, since it is larger than the sum of its proper divisors (14904556550).
18476149330 is a wasteful number, since it uses less digits than its factorization.
18476149330 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 6868733.
The product of its (nonzero) digits is 435456, while the sum is 46.
The spelling of 18476149330 in words is "eighteen billion, four hundred seventy-six million, one hundred forty-nine thousand, three hundred thirty".
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