Base | Representation |
---|---|
bin | 1000011100011111110… |
… | …0111101010110001100 |
3 | 111212111110201211221100 |
4 | 2013013330331112030 |
5 | 4334120133113133 |
6 | 150352555303100 |
7 | 13324300316433 |
oct | 2070774752614 |
9 | 455443654840 |
10 | 145088566668 |
11 | 56593793641 |
12 | 24151a4aa90 |
13 | 108b2b902a6 |
14 | 704538611a |
15 | 3b9281ee13 |
hex | 21c7f3d58c |
145088566668 has 36 divisors (see below), whose sum is σ = 367306558528. Its totient is φ = 48289681440.
The previous prime is 145088566661. The next prime is 145088566697. The reversal of 145088566668 is 866665880541.
It is a tau number, because it is divible by the number of its divisors (36).
It is not an unprimeable number, because it can be changed into a prime (145088566661) by changing a digit.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3024796 + ... + 3072387.
Almost surely, 2145088566668 is an apocalyptic number.
145088566668 is a gapful number since it is divisible by the number (18) formed by its first and last digit.
It is an amenable number.
145088566668 is an abundant number, since it is smaller than the sum of its proper divisors (222217991860).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
145088566668 is a wasteful number, since it uses less digits than its factorization.
145088566668 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 6097854 (or 6097849 counting only the distinct ones).
The product of its (nonzero) digits is 66355200, while the sum is 63.
The spelling of 145088566668 in words is "one hundred forty-five billion, eighty-eight million, five hundred sixty-six thousand, six hundred sixty-eight".
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