Base | Representation |
---|---|
bin | 1000010011101101… |
… | …0001101000001101 |
3 | 12202102101101220100 |
4 | 2010323101220031 |
5 | 14031403144323 |
6 | 1005143241313 |
7 | 106156542162 |
oct | 20473215015 |
9 | 5672341810 |
10 | 2230131213 |
11 | a4493a652 |
12 | 522a49239 |
13 | 29705128b |
14 | 172282069 |
15 | d0bbe943 |
hex | 84ed1a0d |
2230131213 has 36 divisors (see below), whose sum is σ = 3602116960. Its totient is φ = 1325621376.
The previous prime is 2230131199. The next prime is 2230131259. The reversal of 2230131213 is 3121310322.
It is not a de Polignac number, because 2230131213 - 28 = 2230130957 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (2230131263) by changing a digit.
It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 26856 + ... + 71982.
Almost surely, 22230131213 is an apocalyptic number.
It is an amenable number.
2230131213 is a deficient number, since it is larger than the sum of its proper divisors (1371985747).
2230131213 is a wasteful number, since it uses less digits than its factorization.
2230131213 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 45186 (or 45166 counting only the distinct ones).
The product of its (nonzero) digits is 216, while the sum is 18.
The square root of 2230131213 is about 47224.2650869233. The cubic root of 2230131213 is about 1306.5021799910.
Adding to 2230131213 its reverse (3121310322), we get a palindrome (5351441535).
The spelling of 2230131213 in words is "two billion, two hundred thirty million, one hundred thirty-one thousand, two hundred thirteen".
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