Base | Representation |
---|---|
bin | 111110111101010… |
… | …1111010011111111 |
3 | 12110020010122222220 |
4 | 1331322233103333 |
5 | 13311303101033 |
6 | 545343140423 |
7 | 103231244214 |
oct | 17572572377 |
9 | 5406118886 |
10 | 2112550143 |
11 | 994530210 |
12 | 4ab5a4713 |
13 | 278893392 |
14 | 1607d5b0b |
15 | c56e5bb3 |
hex | 7deaf4ff |
2112550143 has 16 divisors (see below), whose sum is σ = 3074025600. Its totient is φ = 1279822880.
The previous prime is 2112550129. The next prime is 2112550151. The reversal of 2112550143 is 3410552112.
It is a happy number.
It is a cyclic number.
It is not a de Polignac number, because 2112550143 - 222 = 2108355839 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (2112550103) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 81673 + ... + 104381.
It is an arithmetic number, because the mean of its divisors is an integer number (192126600).
Almost surely, 22112550143 is an apocalyptic number.
2112550143 is a deficient number, since it is larger than the sum of its proper divisors (961475457).
2112550143 is a wasteful number, since it uses less digits than its factorization.
2112550143 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 25542.
The product of its (nonzero) digits is 1200, while the sum is 24.
The square root of 2112550143 is about 45962.4862578168. The cubic root of 2112550143 is about 1283.1251240036.
It can be divided in two parts, 2112 and 550143, that added together give a palindrome (552255).
The spelling of 2112550143 in words is "two billion, one hundred twelve million, five hundred fifty thousand, one hundred forty-three".
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