Base | Representation |
---|---|
bin | 1100011001111110101… |
… | …0110101000010010011 |
3 | 202101010112211200012010 |
4 | 3012133222311002103 |
5 | 11442443320432011 |
6 | 241524522434003 |
7 | 21253420553412 |
oct | 3063752650223 |
9 | 671115750163 |
10 | 213132202131 |
11 | 82430632012 |
12 | 35381662903 |
13 | 17137bcaa94 |
14 | a45c221479 |
15 | 58262dc1a6 |
hex | 319fab5093 |
213132202131 has 32 divisors (see below), whose sum is σ = 289560966912. Its totient is φ = 139420860800.
The previous prime is 213132202097. The next prime is 213132202141. The reversal of 213132202131 is 131202231312.
It is a cyclic number.
It is not a de Polignac number, because 213132202131 - 227 = 212997984403 is a prime.
It is a super-2 number, since 2×2131322021312 (a number of 23 digits) contains 22 as substring.
It is a junction number, because it is equal to n+sod(n) for n = 213132202098 and 213132202107.
It is not an unprimeable number, because it can be changed into a prime (213132202141) 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, 56041276 + ... + 56045078.
It is an arithmetic number, because the mean of its divisors is an integer number (9048780216).
Almost surely, 2213132202131 is an apocalyptic number.
213132202131 is a deficient number, since it is larger than the sum of its proper divisors (76428764781).
213132202131 is a wasteful number, since it uses less digits than its factorization.
213132202131 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 5363.
The product of its (nonzero) digits is 432, while the sum is 21.
Adding to 213132202131 its reverse (131202231312), we get a palindrome (344334433443).
The spelling of 213132202131 in words is "two hundred thirteen billion, one hundred thirty-two million, two hundred two thousand, one hundred thirty-one".
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