Base | Representation |
---|---|
bin | 11001011110001… |
… | …10000011001101 |
3 | 112220001200002000 |
4 | 30233012003031 |
5 | 414200002031 |
6 | 33111422513 |
7 | 5203116564 |
oct | 1457060315 |
9 | 486050060 |
10 | 213672141 |
11 | aa681051 |
12 | 5b684a39 |
13 | 35363427 |
14 | 20540bdb |
15 | 13b5a3e6 |
hex | cbc60cd |
213672141 has 8 divisors (see below), whose sum is σ = 316551360. Its totient is φ = 142448076.
The previous prime is 213672131. The next prime is 213672143. The reversal of 213672141 is 141276312.
213672141 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is not a de Polignac number, because 213672141 - 27 = 213672013 is a prime.
It is a Harshad number since it is a multiple of its sum of digits (27), and also a Moran number because the ratio is a prime number: 7913783 = 213672141 / (2 + 1 + 3 + 6 + 7 + 2 + 1 + 4 + 1).
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (213672143) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3956865 + ... + 3956918.
It is an arithmetic number, because the mean of its divisors is an integer number (39568920).
Almost surely, 2213672141 is an apocalyptic number.
It is an amenable number.
213672141 is a deficient number, since it is larger than the sum of its proper divisors (102879219).
213672141 is an equidigital number, since it uses as much as digits as its factorization.
213672141 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 7913792 (or 7913786 counting only the distinct ones).
The product of its digits is 2016, while the sum is 27.
The square root of 213672141 is about 14617.5285530763. The cubic root of 213672141 is about 597.8367852092.
The spelling of 213672141 in words is "two hundred thirteen million, six hundred seventy-two thousand, one hundred forty-one".
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