Base | Representation |
---|---|
bin | 11001001100001… |
… | …10000111101010 |
3 | 112201121211010020 |
4 | 30212012013222 |
5 | 413044010010 |
6 | 32545101310 |
7 | 5144063160 |
oct | 1446060752 |
9 | 481554106 |
10 | 211313130 |
11 | a930a756 |
12 | 5a927836 |
13 | 34a18772 |
14 | 200c9230 |
15 | 13841470 |
hex | c9861ea |
211313130 has 32 divisors (see below), whose sum is σ = 579602304. Its totient is φ = 48300096.
The previous prime is 211313129. The next prime is 211313147. The reversal of 211313130 is 31313112.
It is a Harshad number since it is a multiple of its sum of digits (15).
It is a Curzon number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 502917 + ... + 503336.
It is an arithmetic number, because the mean of its divisors is an integer number (18112572).
Almost surely, 2211313130 is an apocalyptic number.
211313130 is an abundant number, since it is smaller than the sum of its proper divisors (368289174).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
211313130 is a wasteful number, since it uses less digits than its factorization.
211313130 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1006270.
The product of its (nonzero) digits is 54, while the sum is 15.
The square root of 211313130 is about 14536.6134295440. The cubic root of 211313130 is about 595.6285333709.
Adding to 211313130 its reverse (31313112), we get a palindrome (242626242).
The spelling of 211313130 in words is "two hundred eleven million, three hundred thirteen thousand, one hundred thirty".
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