Base | Representation |
---|---|
bin | 1011110101000001100… |
… | …1000110111100010110 |
3 | 201102112012122111000010 |
4 | 2331100121012330112 |
5 | 11312134312102410 |
6 | 233204315101050 |
7 | 20452534250253 |
oct | 2752031067426 |
9 | 642465574003 |
10 | 203212222230 |
11 | 79200002316 |
12 | 33473441786 |
13 | 16216979ba4 |
14 | 9b9a96c42a |
15 | 5445488c20 |
hex | 2f50646f16 |
203212222230 has 32 divisors (see below), whose sum is σ = 508914088704. Its totient is φ = 51833842016.
The previous prime is 203212222141. The next prime is 203212222237. The reversal of 203212222230 is 32222212302.
203212222230 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a junction number, because it is equal to n+sod(n) for n = 203212222197 and 203212222206.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (203212222237) by changing a digit.
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 15 ways as a sum of consecutive naturals, for example, 147254544 + ... + 147255923.
It is an arithmetic number, because the mean of its divisors is an integer number (15903565272).
Almost surely, 2203212222230 is an apocalyptic number.
203212222230 is an abundant number, since it is smaller than the sum of its proper divisors (305701866474).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
203212222230 is a wasteful number, since it uses less digits than its factorization.
203212222230 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 294510500.
The product of its (nonzero) digits is 1152, while the sum is 21.
Adding to 203212222230 its reverse (32222212302), we get a palindrome (235434434532).
The spelling of 203212222230 in words is "two hundred three billion, two hundred twelve million, two hundred twenty-two thousand, two hundred thirty".
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