Base | Representation |
---|---|
bin | 1100011000001001… |
… | …01100001011000001 |
3 | 122011002202022222220 |
4 | 12030010230023001 |
5 | 102102110211131 |
6 | 3015213321253 |
7 | 323445425241 |
oct | 61404541301 |
9 | 18132668886 |
10 | 6645007041 |
11 | 28aaa2a162 |
12 | 1355496229 |
13 | 81b8c223a |
14 | 47074db21 |
15 | 28d595e96 |
hex | 18c12c2c1 |
6645007041 has 8 divisors (see below), whose sum is σ = 8882328384. Its totient is φ = 4418845200.
The previous prime is 6645007007. The next prime is 6645007043. The reversal of 6645007041 is 1407005466.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 6645007041 - 219 = 6644482753 is a prime.
It is a super-2 number, since 2×66450070412 = 88312237149879151362, which contains 22 as substring.
It is a Curzon number.
It is a junction number, because it is equal to n+sod(n) for n = 6645006993 and 6645007011.
It is not an unprimeable number, because it can be changed into a prime (6645007043) 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, 2788485 + ... + 2790866.
It is an arithmetic number, because the mean of its divisors is an integer number (1110291048).
Almost surely, 26645007041 is an apocalyptic number.
It is an amenable number.
6645007041 is a deficient number, since it is larger than the sum of its proper divisors (2237321343).
6645007041 is a wasteful number, since it uses less digits than its factorization.
6645007041 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 5579751.
The product of its (nonzero) digits is 20160, while the sum is 33.
The square root of 6645007041 is about 81516.9126071394. The cubic root of 6645007041 is about 1880.0315975714.
The spelling of 6645007041 in words is "six billion, six hundred forty-five million, seven thousand, forty-one".
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