Base | Representation |
---|---|
bin | 10000110100101000… |
… | …101000100101100001 |
3 | 1201121211121020120002 |
4 | 100310220220211201 |
5 | 243443102431132 |
6 | 12144211225345 |
7 | 1206421266131 |
oct | 206450504541 |
9 | 51554536502 |
10 | 18062936417 |
11 | 772a069529 |
12 | 36012a8255 |
13 | 191b297c76 |
14 | c34d30ac1 |
15 | 70ab8b262 |
hex | 434a28961 |
18062936417 has 8 divisors (see below), whose sum is σ = 18243066600. Its totient is φ = 17883068544.
The previous prime is 18062936369. The next prime is 18062936431. The reversal of 18062936417 is 71463926081.
It can be written as a sum of positive squares in 4 ways, for example, as 11613079696 + 6449856721 = 107764^2 + 80311^2 .
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 18062936417 - 232 = 13767969121 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (18062936447) by changing a digit.
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, 74309 + ... + 204077.
It is an arithmetic number, because the mean of its divisors is an integer number (2280383325).
Almost surely, 218062936417 is an apocalyptic number.
It is an amenable number.
18062936417 is a deficient number, since it is larger than the sum of its proper divisors (180130183).
18062936417 is a wasteful number, since it uses less digits than its factorization.
18062936417 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 131155.
The product of its (nonzero) digits is 435456, while the sum is 47.
The spelling of 18062936417 in words is "eighteen billion, sixty-two million, nine hundred thirty-six thousand, four hundred seventeen".
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