Base | Representation |
---|---|
bin | 101100010001011111… |
… | …001001100101100100 |
3 | 11112201000011120010210 |
4 | 230101133021211210 |
5 | 1234324213044120 |
6 | 33501052415420 |
7 | 3302015330406 |
oct | 542137114544 |
9 | 145630146123 |
10 | 47538018660 |
11 | 19184a77030 |
12 | 9268477570 |
13 | 4637992332 |
14 | 242d778b76 |
15 | 1383678ce0 |
hex | b117c9964 |
47538018660 has 96 divisors (see below), whose sum is σ = 145251993600. Its totient is φ = 11520800640.
The previous prime is 47538018643. The next prime is 47538018673. The reversal of 47538018660 is 6681083574.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2577351 + ... + 2595729.
It is an arithmetic number, because the mean of its divisors is an integer number (1513041600).
Almost surely, 247538018660 is an apocalyptic number.
It is an amenable number.
47538018660 is an abundant number, since it is smaller than the sum of its proper divisors (97713974940).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
47538018660 is a wasteful number, since it uses less digits than its factorization.
47538018660 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 22321 (or 22319 counting only the distinct ones).
The product of its (nonzero) digits is 967680, while the sum is 48.
The spelling of 47538018660 in words is "forty-seven billion, five hundred thirty-eight million, eighteen thousand, six hundred sixty".
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