Base | Representation |
---|---|
bin | 10000111000101001… |
… | …110100010010010011 |
3 | 1201210112110110221111 |
4 | 100320221310102103 |
5 | 244112332332342 |
6 | 12155020234151 |
7 | 1211200322566 |
oct | 207051642223 |
9 | 51715413844 |
10 | 18130355347 |
11 | 7764127355 |
12 | 361b99b957 |
13 | 192c241a20 |
14 | c3dc804dd |
15 | 711a57217 |
hex | 438a74493 |
18130355347 has 8 divisors (see below), whose sum is σ = 20673527616. Its totient is φ = 15751258752.
The previous prime is 18130355323. The next prime is 18130355357. The reversal of 18130355347 is 74355303181.
It is a happy number.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 18130355347 - 219 = 18129831059 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (18130355357) 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, 41018683 + ... + 41019124.
It is an arithmetic number, because the mean of its divisors is an integer number (2584190952).
Almost surely, 218130355347 is an apocalyptic number.
18130355347 is a gapful number since it is divisible by the number (17) formed by its first and last digit.
18130355347 is a deficient number, since it is larger than the sum of its proper divisors (2543172269).
18130355347 is a wasteful number, since it uses less digits than its factorization.
18130355347 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 82037837.
The product of its (nonzero) digits is 151200, while the sum is 40.
The spelling of 18130355347 in words is "eighteen billion, one hundred thirty million, three hundred fifty-five thousand, three hundred forty-seven".
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