Base | Representation |
---|---|
bin | 10000100101110011… |
… | …000110101000001100 |
3 | 1200222111020010002100 |
4 | 100211303012220030 |
5 | 242440342211133 |
6 | 12103400155100 |
7 | 1200306460101 |
oct | 204563065014 |
9 | 50874203070 |
10 | 17814022668 |
11 | 7611607992 |
12 | 3551a68a90 |
13 | 18ab845b20 |
14 | c0dc58aa8 |
15 | 6e3dbde13 |
hex | 425cc6a0c |
17814022668 has 72 divisors (see below), whose sum is σ = 48705784400. Its totient is φ = 5457269376.
The previous prime is 17814022663. The next prime is 17814022711. The reversal of 17814022668 is 86622041871.
It is not an unprimeable number, because it can be changed into a prime (17814022663) by changing a digit.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 24063 + ... + 190281.
Almost surely, 217814022668 is an apocalyptic number.
17814022668 is a gapful number since it is divisible by the number (18) formed by its first and last digit.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 17814022668, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (24352892200).
17814022668 is an abundant number, since it is smaller than the sum of its proper divisors (30891761732).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
17814022668 is a wasteful number, since it uses less digits than its factorization.
17814022668 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 166471 (or 166466 counting only the distinct ones).
The product of its (nonzero) digits is 258048, while the sum is 45.
The spelling of 17814022668 in words is "seventeen billion, eight hundred fourteen million, twenty-two thousand, six hundred sixty-eight".
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