Base | Representation |
---|---|
bin | 111111110110001… |
… | …0011111011111110 |
3 | 12112022011020220012 |
4 | 1333230103323332 |
5 | 13341413304210 |
6 | 552325223222 |
7 | 104042303663 |
oct | 17754237376 |
9 | 5468136805 |
10 | 2142322430 |
11 | 9aa315606 |
12 | 4b9561b12 |
13 | 281ab8811 |
14 | 164745a6a |
15 | c8127305 |
hex | 7fb13efe |
2142322430 has 16 divisors (see below), whose sum is σ = 3884330160. Its totient is φ = 850673472.
The previous prime is 2142322367. The next prime is 2142322433. The reversal of 2142322430 is 342232412.
It is a super-2 number, since 2×21423224302 = 9179090788162209800, which contains 22 as substring.
It is a junction number, because it is equal to n+sod(n) for n = 2142322396 and 2142322405.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (2142322433) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (23) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 780500 + ... + 783239.
It is an arithmetic number, because the mean of its divisors is an integer number (242770635).
Almost surely, 22142322430 is an apocalyptic number.
2142322430 is a deficient number, since it is larger than the sum of its proper divisors (1742007730).
2142322430 is a wasteful number, since it uses less digits than its factorization.
2142322430 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1563883.
The product of its (nonzero) digits is 2304, while the sum is 23.
The square root of 2142322430 is about 46285.2290693262. The cubic root of 2142322430 is about 1289.1247453031.
Adding to 2142322430 its reverse (342232412), we get a palindrome (2484554842).
The spelling of 2142322430 in words is "two billion, one hundred forty-two million, three hundred twenty-two thousand, four hundred thirty".
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