Base | Representation |
---|---|
bin | 1000011111000011100… |
… | …0110011100001111100 |
3 | 111221021100000201222012 |
4 | 2013300320303201330 |
5 | 4342021441444430 |
6 | 150545051310352 |
7 | 13350306656105 |
oct | 2076070634174 |
9 | 457240021865 |
10 | 145775343740 |
11 | 569064213a4 |
12 | 24303a4b3b8 |
13 | 1099224cb60 |
14 | 70ac67b3ac |
15 | 3bd2c7e695 |
hex | 21f0e3387c |
145775343740 has 48 divisors (see below), whose sum is σ = 349069295232. Its totient is φ = 50658579456.
The previous prime is 145775343719. The next prime is 145775343761. The reversal of 145775343740 is 47343577541.
145775343740 is digitally balanced in base 2 and base 3, because in such bases it contains all the possibile digits an equal number of times.
It is an interprime number because it is at equal distance from previous prime (145775343719) and next prime (145775343761).
It is a congruent number.
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 15 ways as a sum of consecutive naturals, for example, 16486004 + ... + 16494843.
It is an arithmetic number, because the mean of its divisors is an integer number (7272276984).
Almost surely, 2145775343740 is an apocalyptic number.
145775343740 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is an amenable number.
145775343740 is an abundant number, since it is smaller than the sum of its proper divisors (203293951492).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
145775343740 is a wasteful number, since it uses less digits than its factorization.
145775343740 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 32980886 (or 32980884 counting only the distinct ones).
The product of its (nonzero) digits is 4939200, while the sum is 50.
The spelling of 145775343740 in words is "one hundred forty-five billion, seven hundred seventy-five million, three hundred forty-three thousand, seven hundred forty".
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