Base | Representation |
---|---|
bin | 1100011010001111100… |
… | …0111100000111101110 |
3 | 202101022111002002100220 |
4 | 3012203320330013232 |
5 | 11443114432310110 |
6 | 241535532232210 |
7 | 21255240453423 |
oct | 3064370740756 |
9 | 671274062326 |
10 | 213203010030 |
11 | 824675a503a |
12 | 353a130b666 |
13 | 1714979024a |
14 | a4677b3d4a |
15 | 582c627370 |
hex | 31a3e3c1ee |
213203010030 has 32 divisors (see below), whose sum is σ = 511715915424. Its totient is φ = 56850948096.
The previous prime is 213203010023. The next prime is 213203010049. The reversal of 213203010030 is 30010302312.
It is a Harshad number since it is a multiple of its sum of digits (15).
It is a junction number, because it is equal to n+sod(n) for n = 213203009991 and 213203010009.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 371502 + ... + 751278.
It is an arithmetic number, because the mean of its divisors is an integer number (15991122357).
Almost surely, 2213203010030 is an apocalyptic number.
213203010030 is an abundant number, since it is smaller than the sum of its proper divisors (298512905394).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
213203010030 is a wasteful number, since it uses less digits than its factorization.
213203010030 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 398500.
The product of its (nonzero) digits is 108, while the sum is 15.
Adding to 213203010030 its reverse (30010302312), we get a palindrome (243213312342).
The spelling of 213203010030 in words is "two hundred thirteen billion, two hundred three million, ten thousand, thirty".
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