Base | Representation |
---|---|
bin | 1000011100111011111… |
… | …0101010110010100000 |
3 | 111212210200120012221202 |
4 | 2013032332222302200 |
5 | 4334340323033311 |
6 | 150412410140332 |
7 | 13330231335506 |
oct | 2071676526240 |
9 | 455720505852 |
10 | 145206455456 |
11 | 56644293197 |
12 | 241854216a8 |
13 | 1090142827a |
14 | 7056cb2676 |
15 | 3b9cd59e3b |
hex | 21cefaaca0 |
145206455456 has 48 divisors (see below), whose sum is σ = 305854486560. Its totient is φ = 67654414080.
The previous prime is 145206455389. The next prime is 145206455467. The reversal of 145206455456 is 654554602541.
145206455456 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a self number, because there is not a number n which added to its sum of digits gives 145206455456.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1920506 + ... + 1994681.
It is an arithmetic number, because the mean of its divisors is an integer number (6371968470).
Almost surely, 2145206455456 is an apocalyptic number.
145206455456 is a gapful number since it is divisible by the number (16) formed by its first and last digit.
It is an amenable number.
145206455456 is an abundant number, since it is smaller than the sum of its proper divisors (160648031104).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
145206455456 is a wasteful number, since it uses less digits than its factorization.
145206455456 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 3915277 (or 3915269 counting only the distinct ones).
The product of its (nonzero) digits is 2880000, while the sum is 47.
The spelling of 145206455456 in words is "one hundred forty-five billion, two hundred six million, four hundred fifty-five thousand, four hundred fifty-six".
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