Base | Representation |
---|---|
bin | 1100010101110101110… |
… | …0000011010001011110 |
3 | 202021021002222101100221 |
4 | 3011131130003101132 |
5 | 11433204341011110 |
6 | 241222350311554 |
7 | 21214036015423 |
oct | 3053534032136 |
9 | 667232871327 |
10 | 212021032030 |
11 | 81a10388515 |
12 | 351114b85ba |
13 | 16cbb938a92 |
14 | a394815d4a |
15 | 57ad99b7da |
hex | 315d70345e |
212021032030 has 32 divisors (see below), whose sum is σ = 407533213440. Its totient is φ = 79242562560.
The previous prime is 212021032007. The next prime is 212021032037. The reversal of 212021032030 is 30230120212.
212021032030 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 = 212021031995 and 212021032013.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (212021032037) 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, 11783059 + ... + 11801038.
It is an arithmetic number, because the mean of its divisors is an integer number (12735412920).
Almost surely, 2212021032030 is an apocalyptic number.
212021032030 is a deficient number, since it is larger than the sum of its proper divisors (195512181410).
212021032030 is a wasteful number, since it uses less digits than its factorization.
212021032030 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 23584164.
The product of its (nonzero) digits is 144, while the sum is 16.
Adding to 212021032030 its reverse (30230120212), we get a palindrome (242251152242).
The spelling of 212021032030 in words is "two hundred twelve billion, twenty-one million, thirty-two thousand, thirty".
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