Base | Representation |
---|---|
bin | 111111011011000… |
… | …1010011000101100 |
3 | 12111022110002011020 |
4 | 1332312022120230 |
5 | 13324300040112 |
6 | 551101054140 |
7 | 103510533306 |
oct | 17666123054 |
9 | 5438402136 |
10 | 2128127532 |
11 | 9a22aa793 |
12 | 4b4857350 |
13 | 27bb8877b |
14 | 1628cc976 |
15 | c6c7148c |
hex | 7ed8a62c |
2128127532 has 48 divisors (see below), whose sum is σ = 5360221440. Its totient is φ = 655133248.
The previous prime is 2128127527. The next prime is 2128127543. The reversal of 2128127532 is 2357218212.
It is a super-2 number, since 2×21281275322 = 9057853584912822048, which contains 22 as substring.
It is a junction number, because it is equal to n+sod(n) for n = 2128127493 and 2128127502.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 124938 + ... + 140945.
It is an arithmetic number, because the mean of its divisors is an integer number (111671280).
Almost surely, 22128127532 is an apocalyptic number.
It is an amenable number.
2128127532 is an abundant number, since it is smaller than the sum of its proper divisors (3232093908).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
2128127532 is a wasteful number, since it uses less digits than its factorization.
2128127532 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 265942 (or 265940 counting only the distinct ones).
The product of its digits is 13440, while the sum is 33.
The square root of 2128127532 is about 46131.6326613312. The cubic root of 2128127532 is about 1286.2712128540.
The spelling of 2128127532 in words is "two billion, one hundred twenty-eight million, one hundred twenty-seven thousand, five hundred thirty-two".
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