Base | Representation |
---|---|
bin | 111111011110100… |
… | …1101011100001010 |
3 | 12111102220221110211 |
4 | 1332331031130022 |
5 | 13330233200200 |
6 | 551204431334 |
7 | 103532326540 |
oct | 17675153412 |
9 | 5442827424 |
10 | 2129975050 |
11 | 9a3351865 |
12 | 4b53a854a |
13 | 27c384688 |
14 | 162c4dd90 |
15 | c6ed8aba |
hex | 7ef4d70a |
2129975050 has 192 divisors, whose sum is σ = 5129671680. Its totient is φ = 640465920.
The previous prime is 2129975047. The next prime is 2129975117. The reversal of 2129975050 is 505799212.
It is a junction number, because it is equal to n+sod(n) for n = 2129974994 and 2129975012.
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 95 ways as a sum of consecutive naturals, for example, 9383037 + ... + 9383263.
It is an arithmetic number, because the mean of its divisors is an integer number (26717040).
Almost surely, 22129975050 is an apocalyptic number.
2129975050 is an abundant number, since it is smaller than the sum of its proper divisors (2999696630).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
2129975050 is a wasteful number, since it uses less digits than its factorization.
2129975050 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 365 (or 360 counting only the distinct ones).
The product of its (nonzero) digits is 56700, while the sum is 40.
The square root of 2129975050 is about 46151.6527331362. The cubic root of 2129975050 is about 1286.6433274363.
The spelling of 2129975050 in words is "two billion, one hundred twenty-nine million, nine hundred seventy-five thousand, fifty".
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