Base | Representation |
---|---|
bin | 11001011010000… |
… | …01101111011011 |
3 | 112212001010200020 |
4 | 30231001233123 |
5 | 414030131303 |
6 | 33052041523 |
7 | 5165401566 |
oct | 1455015733 |
9 | 485033606 |
10 | 213130203 |
11 | aa340970 |
12 | 5b4632a3 |
13 | 35203860 |
14 | 2043d4dd |
15 | 13a9ea53 |
hex | cb41bdb |
213130203 has 32 divisors (see below), whose sum is σ = 335301120. Its totient is φ = 118717440.
The previous prime is 213130199. The next prime is 213130219. The reversal of 213130203 is 302031312.
It is not a de Polignac number, because 213130203 - 22 = 213130199 is a prime.
It is not an unprimeable number, because it can be changed into a prime (213130103) by changing a digit.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 111883 + ... + 113771.
It is an arithmetic number, because the mean of its divisors is an integer number (10478160).
Almost surely, 2213130203 is an apocalyptic number.
213130203 is a deficient number, since it is larger than the sum of its proper divisors (122170917).
213130203 is a wasteful number, since it uses less digits than its factorization.
213130203 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2179.
The product of its (nonzero) digits is 108, while the sum is 15.
The square root of 213130203 is about 14598.9795191308. The cubic root of 213130203 is about 597.3309248916.
Adding to 213130203 its reverse (302031312), we get a palindrome (515161515).
The spelling of 213130203 in words is "two hundred thirteen million, one hundred thirty thousand, two hundred three".
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