Base | Representation |
---|---|
bin | 11001011011011… |
… | …01111011011011 |
3 | 112212101022221122 |
4 | 30231231323123 |
5 | 414101424240 |
6 | 33055555455 |
7 | 5200054346 |
oct | 1455557333 |
9 | 485338848 |
10 | 213311195 |
11 | aa454949 |
12 | 5b52bb8b |
13 | 35268056 |
14 | 2048945d |
15 | 13ad84b5 |
hex | cb6dedb |
213311195 has 16 divisors (see below), whose sum is σ = 272484000. Its totient is φ = 159844608.
The previous prime is 213311173. The next prime is 213311201. The reversal of 213311195 is 591113312.
It is a cyclic number.
It is not a de Polignac number, because 213311195 - 222 = 209116891 is a prime.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4160 + ... + 21069.
It is an arithmetic number, because the mean of its divisors is an integer number (17030250).
Almost surely, 2213311195 is an apocalyptic number.
213311195 is a deficient number, since it is larger than the sum of its proper divisors (59172805).
213311195 is a wasteful number, since it uses less digits than its factorization.
213311195 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 25342.
The product of its digits is 810, while the sum is 26.
The square root of 213311195 is about 14605.1769931076. The cubic root of 213311195 is about 597.4999632359.
The spelling of 213311195 in words is "two hundred thirteen million, three hundred eleven thousand, one hundred ninety-five".
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