Base | Representation |
---|---|
bin | 11001010011110… |
… | …01101111100010 |
3 | 112210111111221202 |
4 | 30221321233202 |
5 | 413322423020 |
6 | 33022321202 |
7 | 5155420352 |
oct | 1451715742 |
9 | 483444852 |
10 | 212311010 |
11 | a993144a |
12 | 5b129202 |
13 | 34ca7a22 |
14 | 202a8b62 |
15 | 1398be75 |
hex | ca79be2 |
212311010 has 16 divisors (see below), whose sum is σ = 387396216. Its totient is φ = 83760768.
The previous prime is 212311003. The next prime is 212311019. The reversal of 212311010 is 10113212.
It can be written as a sum of positive squares in 4 ways, for example, as 198330889 + 13980121 = 14083^2 + 3739^2 .
It is a junction number, because it is equal to n+sod(n) for n = 212310982 and 212311000.
It is not an unprimeable number, because it can be changed into a prime (212311019) 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, 144689 + ... + 146148.
Almost surely, 2212311010 is an apocalyptic number.
212311010 is a deficient number, since it is larger than the sum of its proper divisors (175085206).
212311010 is a wasteful number, since it uses less digits than its factorization.
212311010 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 290917.
The product of its (nonzero) digits is 12, while the sum is 11.
The square root of 212311010 is about 14570.8959916678. The cubic root of 212311010 is about 596.5646365215.
Adding to 212311010 its reverse (10113212), we get a palindrome (222424222).
The spelling of 212311010 in words is "two hundred twelve million, three hundred eleven thousand, ten".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.072 sec. • engine limits •