Base | Representation |
---|---|
bin | 1100011010001111010… |
… | …1110110101010000111 |
3 | 202101022102112222220002 |
4 | 3012203311312222013 |
5 | 11443114230414343 |
6 | 241535503031515 |
7 | 21255230544404 |
oct | 3064365665207 |
9 | 671272488802 |
10 | 213202201223 |
11 | 824670a2400 |
12 | 353a0b9b59b |
13 | 1714956906b |
14 | a4676432ab |
15 | 582c5178b8 |
hex | 31a3d76a87 |
213202201223 has 12 divisors (see below), whose sum is σ = 234427167240. Its totient is φ = 193753235280.
The previous prime is 213202201187. The next prime is 213202201241. The reversal of 213202201223 is 322102202312.
It is a happy number.
It is not a de Polignac number, because 213202201223 - 218 = 213201939079 is a prime.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 213202201195 and 213202201204.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (213202201273) by changing a digit.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 49136 + ... + 654842.
It is an arithmetic number, because the mean of its divisors is an integer number (19535597270).
Almost surely, 2213202201223 is an apocalyptic number.
213202201223 is a deficient number, since it is larger than the sum of its proper divisors (21224966017).
213202201223 is a wasteful number, since it uses less digits than its factorization.
213202201223 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 608638 (or 608627 counting only the distinct ones).
The product of its (nonzero) digits is 576, while the sum is 20.
Adding to 213202201223 its reverse (322102202312), we get a palindrome (535304403535).
The spelling of 213202201223 in words is "two hundred thirteen billion, two hundred two million, two hundred one thousand, two hundred twenty-three".
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