Base | Representation |
---|---|
bin | 10001000100110011… |
… | …011100000010110000 |
3 | 1202022202001001211120 |
4 | 101010303130002300 |
5 | 300022024012310 |
6 | 12231141342240 |
7 | 1216224110013 |
oct | 210463340260 |
9 | 52282031746 |
10 | 18334204080 |
11 | 78591a8985 |
12 | 3678107980 |
13 | 1962545a8a |
14 | c5cd8537a |
15 | 7248c1b70 |
hex | 444cdc0b0 |
18334204080 has 40 divisors (see below), whose sum is σ = 56836033392. Its totient is φ = 4889121024.
The previous prime is 18334204019. The next prime is 18334204129. The reversal of 18334204080 is 8040243381.
It is a tau number, because it is divible by the number of its divisors (40).
It is a super-2 number, since 2×183342040802 (a number of 21 digits) contains 22 as substring.
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, 38196019 + ... + 38196498.
Almost surely, 218334204080 is an apocalyptic number.
18334204080 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is an amenable number.
18334204080 is an abundant number, since it is smaller than the sum of its proper divisors (38501829312).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
18334204080 is a wasteful number, since it uses less digits than its factorization.
18334204080 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 76392533 (or 76392527 counting only the distinct ones).
The product of its (nonzero) digits is 18432, while the sum is 33.
The spelling of 18334204080 in words is "eighteen billion, three hundred thirty-four million, two hundred four thousand, eighty".
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