Base | Representation |
---|---|
bin | 11001011001001… |
… | …10111000101010 |
3 | 112211211112210010 |
4 | 30230212320222 |
5 | 414013121302 |
6 | 33045432350 |
7 | 5164433103 |
oct | 1454467052 |
9 | 484745703 |
10 | 213020202 |
11 | aa27625a |
12 | 5b40b6b6 |
13 | 35195775 |
14 | 204113aa |
15 | 13a7c16c |
hex | cb26e2a |
213020202 has 32 divisors (see below), whose sum is σ = 434187072. Its totient is φ = 69657984.
The previous prime is 213020161. The next prime is 213020231. The reversal of 213020202 is 202020312.
213020202 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
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, 110398 + ... + 112310.
It is an arithmetic number, because the mean of its divisors is an integer number (13568346).
Almost surely, 2213020202 is an apocalyptic number.
213020202 is an abundant number, since it is smaller than the sum of its proper divisors (221166870).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
213020202 is a wasteful number, since it uses less digits than its factorization.
213020202 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2262.
The product of its (nonzero) digits is 48, while the sum is 12.
The square root of 213020202 is about 14595.2116120322. The cubic root of 213020202 is about 597.2281421706.
Adding to 213020202 its reverse (202020312), we get a palindrome (415040514).
The spelling of 213020202 in words is "two hundred thirteen million, twenty thousand, two hundred two".
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