Base | Representation |
---|---|
bin | 111110101101010… |
… | …0101101100011111 |
3 | 12102122021110221202 |
4 | 1331122211230133 |
5 | 13302123402033 |
6 | 544442350115 |
7 | 103066512614 |
oct | 17532455437 |
9 | 5378243852 |
10 | 2104122143 |
11 | 98a7a4122 |
12 | 4a87bb33b |
13 | 276c021b6 |
14 | 15d64050b |
15 | c4acd8e8 |
hex | 7d6a5b1f |
2104122143 has 4 divisors (see below), whose sum is σ = 2132945808. Its totient is φ = 2075298480.
The previous prime is 2104122121. The next prime is 2104122161. The reversal of 2104122143 is 3412214012.
It is a semiprime because it is the product of two primes.
It is a cyclic number.
It is not a de Polignac number, because 2104122143 - 210 = 2104121119 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (2104122043) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14411723 + ... + 14411868.
It is an arithmetic number, because the mean of its divisors is an integer number (533236452).
Almost surely, 22104122143 is an apocalyptic number.
2104122143 is a deficient number, since it is larger than the sum of its proper divisors (28823665).
2104122143 is an equidigital number, since it uses as much as digits as its factorization.
2104122143 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 28823664.
The product of its (nonzero) digits is 384, while the sum is 20.
The square root of 2104122143 is about 45870.7111673669. The cubic root of 2104122143 is about 1281.4165110644.
Adding to 2104122143 its reverse (3412214012), we get a palindrome (5516336155).
The spelling of 2104122143 in words is "two billion, one hundred four million, one hundred twenty-two thousand, one hundred forty-three".
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