Base | Representation |
---|---|
bin | 111111110011110… |
… | …1010101111110110 |
3 | 12112012212102002110 |
4 | 1333213222233312 |
5 | 13341110331032 |
6 | 552243151450 |
7 | 104026044021 |
oct | 17747525766 |
9 | 5465772073 |
10 | 2141105142 |
11 | 9a9663a90 |
12 | 4b9075586 |
13 | 281780727 |
14 | 16450a1b8 |
15 | c7e867cc |
hex | 7f9eabf6 |
2141105142 has 16 divisors (see below), whose sum is σ = 4671502272. Its totient is φ = 648819720.
The previous prime is 2141105123. The next prime is 2141105189. The reversal of 2141105142 is 2415011412.
It is a congruent number.
It is an unprimeable number.
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, 16220428 + ... + 16220559.
It is an arithmetic number, because the mean of its divisors is an integer number (291968892).
Almost surely, 22141105142 is an apocalyptic number.
2141105142 is a gapful number since it is divisible by the number (22) formed by its first and last digit.
2141105142 is an abundant number, since it is smaller than the sum of its proper divisors (2530397130).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
2141105142 is a wasteful number, since it uses less digits than its factorization.
2141105142 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 32441003.
The product of its (nonzero) digits is 320, while the sum is 21.
The square root of 2141105142 is about 46272.0773469271. The cubic root of 2141105142 is about 1288.8805347253.
Adding to 2141105142 its reverse (2415011412), we get a palindrome (4556116554).
The spelling of 2141105142 in words is "two billion, one hundred forty-one million, one hundred five thousand, one hundred forty-two".
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