Base | Representation |
---|---|
bin | 111111110101111… |
… | …0111011001001010 |
3 | 12112021221022111222 |
4 | 1333223313121022 |
5 | 13341401034024 |
6 | 552322522042 |
7 | 104041306061 |
oct | 17753673112 |
9 | 5467838458 |
10 | 2142205514 |
11 | 9aa245789 |
12 | 4b9506322 |
13 | 281a77537 |
14 | 1647151d8 |
15 | c810285e |
hex | 7faf764a |
2142205514 has 4 divisors (see below), whose sum is σ = 3213308274. Its totient is φ = 1071102756.
The previous prime is 2142205511. The next prime is 2142205529. The reversal of 2142205514 is 4155022412.
It is a semiprime because it is the product of two primes.
It can be written as a sum of positive squares in only one way, i.e., 1565389225 + 576816289 = 39565^2 + 24017^2 .
It is not an unprimeable number, because it can be changed into a prime (2142205511) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 535551377 + ... + 535551380.
Almost surely, 22142205514 is an apocalyptic number.
2142205514 is a deficient number, since it is larger than the sum of its proper divisors (1071102760).
2142205514 is a wasteful number, since it uses less digits than its factorization.
2142205514 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1071102759.
The product of its (nonzero) digits is 3200, while the sum is 26.
The square root of 2142205514 is about 46283.9660573724. The cubic root of 2142205514 is about 1289.1012937988.
Adding to 2142205514 its reverse (4155022412), we get a palindrome (6297227926).
The spelling of 2142205514 in words is "two billion, one hundred forty-two million, two hundred five thousand, five hundred fourteen".
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