Base | Representation |
---|---|
bin | 111100100010101… |
… | …0110010011011100 |
3 | 12020120112002221120 |
4 | 1321011112103130 |
5 | 13130022221322 |
6 | 533324530540 |
7 | 101224666536 |
oct | 17105262334 |
9 | 5216462846 |
10 | 2031445212 |
11 | 952774945 |
12 | 4883b0a50 |
13 | 264b370b4 |
14 | 153b22856 |
15 | bd524a5c |
hex | 791564dc |
2031445212 has 12 divisors (see below), whose sum is σ = 4740038856. Its totient is φ = 677148400.
The previous prime is 2031445201. The next prime is 2031445271. The reversal of 2031445212 is 2125441302.
It is a tau number, because it is divible by the number of its divisors (12).
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 84643539 + ... + 84643562.
It is an arithmetic number, because the mean of its divisors is an integer number (395003238).
Almost surely, 22031445212 is an apocalyptic number.
It is an amenable number.
2031445212 is an abundant number, since it is smaller than the sum of its proper divisors (2708593644).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
2031445212 is a wasteful number, since it uses less digits than its factorization.
2031445212 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 169287108 (or 169287106 counting only the distinct ones).
The product of its (nonzero) digits is 1920, while the sum is 24.
The square root of 2031445212 is about 45071.5565739636. The cubic root of 2031445212 is about 1266.4898239112.
Adding to 2031445212 its reverse (2125441302), we get a palindrome (4156886514).
The spelling of 2031445212 in words is "two billion, thirty-one million, four hundred forty-five thousand, two hundred twelve".
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