Base | Representation |
---|---|
bin | 1100011010001111010… |
… | …1111100000010000000 |
3 | 202101022102121010002020 |
4 | 3012203311330002000 |
5 | 11443114232120412 |
6 | 241535503321440 |
7 | 21255230665515 |
oct | 3064365740200 |
9 | 671272533066 |
10 | 213202223232 |
11 | 82467107999 |
12 | 353a0bb0280 |
13 | 1714957609b |
14 | a46764b30c |
15 | 582c51e18c |
hex | 31a3d7c080 |
213202223232 has 128 divisors (see below), whose sum is σ = 585310924800. Its totient is φ = 68689720320.
The previous prime is 213202223231. The next prime is 213202223237. The reversal of 213202223232 is 232322202312.
It is a tau number, because it is divible by the number of its divisors (128).
It is a Harshad number since it is a multiple of its sum of digits (24).
It is not an unprimeable number, because it can be changed into a prime (213202223231) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9976783 + ... + 9998129.
It is an arithmetic number, because the mean of its divisors is an integer number (4572741600).
Almost surely, 2213202223232 is an apocalyptic number.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 213202223232, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (292655462400).
213202223232 is an abundant number, since it is smaller than the sum of its proper divisors (372108701568).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
213202223232 is a wasteful number, since it uses less digits than its factorization.
213202223232 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 22234 (or 22222 counting only the distinct ones).
The product of its (nonzero) digits is 3456, while the sum is 24.
Adding to 213202223232 its reverse (232322202312), we get a palindrome (445524425544).
The spelling of 213202223232 in words is "two hundred thirteen billion, two hundred two million, two hundred twenty-three thousand, two hundred thirty-two".
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