Base | Representation |
---|---|
bin | 1100010010110010101… |
… | …1100000101100100000 |
3 | 202012011002201002220211 |
4 | 3010230223200230200 |
5 | 11430020432013440 |
6 | 241005245143504 |
7 | 21154543613566 |
oct | 3045453405440 |
9 | 665132632824 |
10 | 211203001120 |
11 | 81630651811 |
12 | 34b2355ab94 |
13 | 16bbb311b17 |
14 | a317d15a36 |
15 | 5761c61eea |
hex | 312cae0b20 |
211203001120 has 48 divisors (see below), whose sum is σ = 499198803768. Its totient is φ = 84441968640.
The previous prime is 211203001073. The next prime is 211203001129. The reversal of 211203001120 is 21100302112.
It can be written as a sum of positive squares in 4 ways, for example, as 152078160784 + 59124840336 = 389972^2 + 243156^2 .
It is a self number, because there is not a number n which added to its sum of digits gives 211203001120.
It is not an unprimeable number, because it can be changed into a prime (211203001129) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 40342 + ... + 651178.
Almost surely, 2211203001120 is an apocalyptic number.
211203001120 is a gapful number since it is divisible by the number (20) formed by its first and last digit.
It is an amenable number.
211203001120 is an abundant number, since it is smaller than the sum of its proper divisors (287995802648).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
211203001120 is a wasteful number, since it uses less digits than its factorization.
211203001120 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 613013 (or 613005 counting only the distinct ones).
The product of its (nonzero) digits is 24, while the sum is 13.
Adding to 211203001120 its reverse (21100302112), we get a palindrome (232303303232).
The spelling of 211203001120 in words is "two hundred eleven billion, two hundred three million, one thousand, one hundred twenty".
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