Base | Representation |
---|---|
bin | 111111011011011… |
… | …1000100101001110 |
3 | 12111022210200201022 |
4 | 1332312320211032 |
5 | 13324322114000 |
6 | 551105114142 |
7 | 103512252050 |
oct | 17666704516 |
9 | 5438720638 |
10 | 2128316750 |
11 | 9a241996a |
12 | 4b4928952 |
13 | 27bc23931 |
14 | 16293b8d0 |
15 | c6cac585 |
hex | 7edb894e |
2128316750 has 64 divisors (see below), whose sum is σ = 4564684800. Its totient is φ = 727898400.
The previous prime is 2128316737. The next prime is 2128316767. The reversal of 2128316750 is 576138212.
It is a happy number.
It is a Harshad number since it is a multiple of its sum of digits (35).
It is a Curzon number.
It is a self number, because there is not a number n which added to its sum of digits gives 2128316750.
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 31 ways as a sum of consecutive naturals, for example, 836981 + ... + 839519.
It is an arithmetic number, because the mean of its divisors is an integer number (71323200).
Almost surely, 22128316750 is an apocalyptic number.
2128316750 is an abundant number, since it is smaller than the sum of its proper divisors (2436368050).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
2128316750 is a wasteful number, since it uses less digits than its factorization.
2128316750 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 3042 (or 3032 counting only the distinct ones).
The product of its (nonzero) digits is 20160, while the sum is 35.
The square root of 2128316750 is about 46133.6834644709. The cubic root of 2128316750 is about 1286.3093337607.
The spelling of 2128316750 in words is "two billion, one hundred twenty-eight million, three hundred sixteen thousand, seven hundred fifty".
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