Base | Representation |
---|---|
bin | 1000010001010100… |
… | …0110000000011101 |
3 | 12201201112220000222 |
4 | 2010111012000131 |
5 | 14021322402031 |
6 | 1004144531125 |
7 | 106005504206 |
oct | 20425060035 |
9 | 5651486028 |
10 | 2220122141 |
11 | a3a223696 |
12 | 51b620aa5 |
13 | 294c58553 |
14 | 170bd85ad |
15 | ced93e7b |
hex | 8454601d |
2220122141 has 4 divisors (see below), whose sum is σ = 2262011292. Its totient is φ = 2178232992.
The previous prime is 2220122131. The next prime is 2220122147. The reversal of 2220122141 is 1412210222.
It is a semiprime because it is the product of two primes.
It can be written as a sum of positive squares in 2 ways, for example, as 882684100 + 1337438041 = 29710^2 + 36571^2 .
It is a cyclic number.
It is not a de Polignac number, because 2220122141 - 26 = 2220122077 is a prime.
It is a Duffinian number.
It is a Curzon number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (2220122147) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 20944496 + ... + 20944601.
It is an arithmetic number, because the mean of its divisors is an integer number (565502823).
Almost surely, 22220122141 is an apocalyptic number.
It is an amenable number.
2220122141 is a deficient number, since it is larger than the sum of its proper divisors (41889151).
2220122141 is an equidigital number, since it uses as much as digits as its factorization.
2220122141 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 41889150.
The product of its (nonzero) digits is 128, while the sum is 17.
The square root of 2220122141 is about 47118.1720889085. The cubic root of 2220122141 is about 1304.5446738263.
Adding to 2220122141 its reverse (1412210222), we get a palindrome (3632332363).
The spelling of 2220122141 in words is "two billion, two hundred twenty million, one hundred twenty-two thousand, one hundred forty-one".
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