Base | Representation |
---|---|
bin | 11001011010101… |
… | …11101010101010 |
3 | 112212012200212102 |
4 | 30231113222222 |
5 | 414041020020 |
6 | 33054013402 |
7 | 5166224453 |
oct | 1455275252 |
9 | 485180772 |
10 | 213220010 |
11 | aa3a2393 |
12 | 5b4a7262 |
13 | 352356b3 |
14 | 2046412a |
15 | 13abb475 |
hex | cb57aaa |
213220010 has 32 divisors (see below), whose sum is σ = 391474944. Its totient is φ = 83592000.
The previous prime is 213220009. The next prime is 213220013. The reversal of 213220010 is 10022312.
It is a happy number.
It is a junction number, because it is equal to n+sod(n) for n = 213219973 and 213220000.
It is not an unprimeable number, because it can be changed into a prime (213220013) 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, 262505 + ... + 263315.
It is an arithmetic number, because the mean of its divisors is an integer number (12233592).
Almost surely, 2213220010 is an apocalyptic number.
213220010 is a deficient number, since it is larger than the sum of its proper divisors (178254934).
213220010 is a wasteful number, since it uses less digits than its factorization.
213220010 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1310.
The product of its (nonzero) digits is 24, while the sum is 11.
The square root of 213220010 is about 14602.0549923632. The cubic root of 213220010 is about 597.4148125256.
Adding to 213220010 its reverse (10022312), we get a palindrome (223242322).
The spelling of 213220010 in words is "two hundred thirteen million, two hundred twenty thousand, ten".
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