Base | Representation |
---|---|
bin | 11000001111110100… |
… | …00000110011000010 |
3 | 1020121012211001120011 |
4 | 30013322000303002 |
5 | 203124443100033 |
6 | 5551415135134 |
7 | 640405230604 |
oct | 140772006302 |
9 | 36535731504 |
10 | 13017550018 |
11 | 5580082000 |
12 | 26336744aa |
13 | 12c5c07c25 |
14 | 8b6c17174 |
15 | 512c6bccd |
hex | 307e80cc2 |
13017550018 has 16 divisors (see below), whose sum is σ = 21477494880. Its totient is φ = 5917066980.
The previous prime is 13017549989. The next prime is 13017550027. The reversal of 13017550018 is 81005571031.
It is a super-2 number, since 2×130175500182 (a number of 21 digits) contains 22 as substring.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2442408 + ... + 2447731.
It is an arithmetic number, because the mean of its divisors is an integer number (1342343430).
Almost surely, 213017550018 is an apocalyptic number.
13017550018 is a deficient number, since it is larger than the sum of its proper divisors (8459944862).
13017550018 is an equidigital number, since it uses as much as digits as its factorization.
13017550018 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 4890174 (or 4890152 counting only the distinct ones).
The product of its (nonzero) digits is 4200, while the sum is 31.
The spelling of 13017550018 in words is "thirteen billion, seventeen million, five hundred fifty thousand, eighteen".
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