Base | Representation |
---|---|
bin | 1000011100010000001… |
… | …1100111110001010000 |
3 | 111212022220202002210210 |
4 | 2013010003213301100 |
5 | 4334001420020212 |
6 | 150342302324120 |
7 | 13322544620121 |
oct | 2070403476120 |
9 | 455286662723 |
10 | 145023204432 |
11 | 5655a8aaa67 |
12 | 24133b89640 |
13 | 108a2486702 |
14 | 703a810048 |
15 | 3b8bc0d53c |
hex | 21c40e7c50 |
145023204432 has 40 divisors (see below), whose sum is σ = 377377917696. Its totient is φ = 47988211456.
The previous prime is 145023204421. The next prime is 145023204439. The reversal of 145023204432 is 234402320541.
It is a self number, because there is not a number n which added to its sum of digits gives 145023204432.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (145023204439) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11020128 + ... + 11033279.
Almost surely, 2145023204432 is an apocalyptic number.
145023204432 is a gapful number since it is divisible by the number (12) formed by its first and last digit.
It is an amenable number.
145023204432 is an abundant number, since it is smaller than the sum of its proper divisors (232354713264).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
145023204432 is a wasteful number, since it uses less digits than its factorization.
145023204432 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 22053555 (or 22053549 counting only the distinct ones).
The product of its (nonzero) digits is 23040, while the sum is 30.
Adding to 145023204432 its reverse (234402320541), we get a palindrome (379425524973).
The spelling of 145023204432 in words is "one hundred forty-five billion, twenty-three million, two hundred four thousand, four hundred thirty-two".
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