Base | Representation |
---|---|
bin | 100011011111010001… |
… | …100101001000000000 |
3 | 10122100122112101211202 |
4 | 203133101211020000 |
5 | 1111020022303143 |
6 | 25301104400332 |
7 | 2516202550202 |
oct | 433721451000 |
9 | 118318471752 |
10 | 38105666048 |
11 | 1518472299a |
12 | 74756160a8 |
13 | 37937839b8 |
14 | 1bb6b7a772 |
15 | ed0547ab8 |
hex | 8df465200 |
38105666048 has 30 divisors (see below), whose sum is σ = 76145733411. Its totient is φ = 19050624512.
The previous prime is 38105666029. The next prime is 38105666051. The reversal of 38105666048 is 84066650183.
It is a powerful number, because all its prime factors have an exponent greater than 1 and also an Achilles number because it is not a perfect power.
It can be written as a sum of positive squares in only one way, i.e., 19052833024 + 19052833024 = 138032^2 + 138032^2 .
It is an ABA number since it can be written as A⋅BA, here for A=2, B=138032.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 38105665993 and 38105666011.
It is an unprimeable number.
It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 4412711 + ... + 4421337.
Almost surely, 238105666048 is an apocalyptic number.
It is an amenable number.
38105666048 is a deficient number, since it is larger than the sum of its proper divisors (38040067363).
38105666048 is an frugal number, since it uses more digits than its factorization.
38105666048 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 17272 (or 8629 counting only the distinct ones).
The product of its (nonzero) digits is 829440, while the sum is 47.
The spelling of 38105666048 in words is "thirty-eight billion, one hundred five million, six hundred sixty-six thousand, forty-eight".
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