Base | Representation |
---|---|
bin | 1000010101111100011101… |
… | …00100101101101000001000 |
3 | 2101221212202000221011222210 |
4 | 10022332032210231220020 |
5 | 4401041003002404320 |
6 | 103004043210545120 |
7 | 3602316605060112 |
oct | 412761644555010 |
9 | 71855660834883 |
10 | 18346197309960 |
11 | 5933640108263 |
12 | 20837484381a0 |
13 | a31067851340 |
14 | 475d641ac3b2 |
15 | 21c36015e0e0 |
hex | 10af8e92da08 |
18346197309960 has 64 divisors (see below), whose sum is σ = 59272329775680. Its totient is φ = 4515987029760.
The previous prime is 18346197309931. The next prime is 18346197309967. The reversal of 18346197309960 is 6990379164381.
It is a happy number.
It is a junction number, because it is equal to n+sod(n) for n = 18346197309891 and 18346197309900.
It is not an unprimeable number, because it can be changed into a prime (18346197309967) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5880189886 + ... + 5880193005.
It is an arithmetic number, because the mean of its divisors is an integer number (926130152745).
Almost surely, 218346197309960 is an apocalyptic number.
18346197309960 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is an amenable number.
18346197309960 is an abundant number, since it is smaller than the sum of its proper divisors (40926132465720).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
18346197309960 is a wasteful number, since it uses less digits than its factorization.
18346197309960 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 11760382918 (or 11760382914 counting only the distinct ones).
The product of its (nonzero) digits is 52907904, while the sum is 66.
The spelling of 18346197309960 in words is "eighteen trillion, three hundred forty-six billion, one hundred ninety-seven million, three hundred nine thousand, nine hundred sixty".
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