Base | Representation |
---|---|
bin | 111111110101111… |
… | …0110110101010110 |
3 | 12112021221012101002 |
4 | 1333223312311112 |
5 | 13341401000342 |
6 | 552322503302 |
7 | 104041266305 |
oct | 17753666526 |
9 | 5467835332 |
10 | 2142203222 |
11 | 9aa243a95 |
12 | 4b9504b32 |
13 | 281a76493 |
14 | 16471443c |
15 | c8101d32 |
hex | 7faf6d56 |
2142203222 has 16 divisors (see below), whose sum is σ = 3391664640. Its totient is φ = 1011956328.
The previous prime is 2142203221. The next prime is 2142203243. The reversal of 2142203222 is 2223022412.
It is a junction number, because it is equal to n+sod(n) for n = 2142203194 and 2142203203.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (2142203221) 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, 62858 + ... + 90749.
It is an arithmetic number, because the mean of its divisors is an integer number (211979040).
Almost surely, 22142203222 is an apocalyptic number.
2142203222 is a deficient number, since it is larger than the sum of its proper divisors (1249461418).
2142203222 is a wasteful number, since it uses less digits than its factorization.
2142203222 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 153995.
The product of its (nonzero) digits is 768, while the sum is 20.
The square root of 2142203222 is about 46283.9412971713. The cubic root of 2142203222 is about 1289.1008340513.
Adding to 2142203222 its reverse (2223022412), we get a palindrome (4365225634).
The spelling of 2142203222 in words is "two billion, one hundred forty-two million, two hundred three thousand, two hundred twenty-two".
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