Base | Representation |
---|---|
bin | 111111110110000… |
… | …0000110101110100 |
3 | 12112022000021121020 |
4 | 1333230000311310 |
5 | 13341403303322 |
6 | 552323421140 |
7 | 104041526643 |
oct | 17754006564 |
9 | 5468007536 |
10 | 2142244212 |
11 | 9aa271869 |
12 | 4b95247b0 |
13 | 281a8c034 |
14 | 16472535a |
15 | c810e05c |
hex | 7fb00d74 |
2142244212 has 24 divisors (see below), whose sum is σ = 5159814912. Its totient is φ = 691046400.
The previous prime is 2142244211. The next prime is 2142244213. The reversal of 2142244212 is 2124422412.
It is a happy number.
It is an interprime number because it is at equal distance from previous prime (2142244211) and next prime (2142244213).
It is a nude number because it is divisible by every one of its digits.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (2142244211) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2878989 + ... + 2879732.
It is an arithmetic number, because the mean of its divisors is an integer number (214992288).
Almost surely, 22142244212 is an apocalyptic number.
It is an amenable number.
2142244212 is an abundant number, since it is smaller than the sum of its proper divisors (3017570700).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
2142244212 is a wasteful number, since it uses less digits than its factorization.
2142244212 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 5758759 (or 5758757 counting only the distinct ones).
The product of its digits is 2048, while the sum is 24.
The square root of 2142244212 is about 46284.3841052250. The cubic root of 2142244212 is about 1289.1090561013.
Adding to 2142244212 its reverse (2124422412), we get a palindrome (4266666624).
The spelling of 2142244212 in words is "two billion, one hundred forty-two million, two hundred forty-four thousand, two hundred twelve".
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