Base | Representation |
---|---|
bin | 100100000100000… |
… | …1111111111100100 |
3 | 10010100001120121012 |
4 | 1020020033333210 |
5 | 4434242402322 |
6 | 320025041352 |
7 | 41662604045 |
oct | 11010177744 |
9 | 3110046535 |
10 | 1210122212 |
11 | 57109a802 |
12 | 299326258 |
13 | 163929860 |
14 | b6a068cc |
15 | 71389ae2 |
hex | 4820ffe4 |
1210122212 has 24 divisors (see below), whose sum is σ = 2282292600. Its totient is φ = 558107136.
The previous prime is 1210122197. The next prime is 1210122229. The reversal of 1210122212 is 2122210121.
It can be written as a sum of positive squares in 4 ways, for example, as 202948516 + 1007173696 = 14246^2 + 31736^2 .
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 69614 + ... + 85242.
It is an arithmetic number, because the mean of its divisors is an integer number (95095525).
Almost surely, 21210122212 is an apocalyptic number.
It is an amenable number.
1210122212 is a deficient number, since it is larger than the sum of its proper divisors (1072170388).
1210122212 is a wasteful number, since it uses less digits than its factorization.
1210122212 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 17135 (or 17133 counting only the distinct ones).
The product of its (nonzero) digits is 32, while the sum is 14.
The square root of 1210122212 is about 34786.8108914859. The cubic root of 1210122212 is about 1065.6381114213.
Adding to 1210122212 its reverse (2122210121), we get a palindrome (3332332333).
The spelling of 1210122212 in words is "one billion, two hundred ten million, one hundred twenty-two thousand, two hundred twelve".
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