Base | Representation |
---|---|
bin | 111111011011101… |
… | …1010110010110011 |
3 | 12111100001210221102 |
4 | 1332313122302303 |
5 | 13324341110013 |
6 | 551112115015 |
7 | 103513404440 |
oct | 17667326263 |
9 | 5440053842 |
10 | 2128456883 |
11 | 9a2505183 |
12 | 4b4995a6b |
13 | 27bc72657 |
14 | 1629769c7 |
15 | c6cd8d58 |
hex | 7eddacb3 |
2128456883 has 4 divisors (see below), whose sum is σ = 2432522160. Its totient is φ = 1824391608.
The previous prime is 2128456877. The next prime is 2128456907. The reversal of 2128456883 is 3886548212.
It is a semiprime because it is the product of two primes.
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-2128456883 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (2128456873) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 152032628 + ... + 152032641.
It is an arithmetic number, because the mean of its divisors is an integer number (608130540).
Almost surely, 22128456883 is an apocalyptic number.
2128456883 is a deficient number, since it is larger than the sum of its proper divisors (304065277).
2128456883 is an equidigital number, since it uses as much as digits as its factorization.
2128456883 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 304065276.
The product of its digits is 737280, while the sum is 47.
The square root of 2128456883 is about 46135.2022104596. The cubic root of 2128456883 is about 1286.3375642751.
The spelling of 2128456883 in words is "two billion, one hundred twenty-eight million, four hundred fifty-six thousand, eight hundred eighty-three".
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