Base | Representation |
---|---|
bin | 111111001101110… |
… | …0001001110100001 |
3 | 12110211022020110022 |
4 | 1332123201032201 |
5 | 13321003040301 |
6 | 550251243225 |
7 | 103364263652 |
oct | 17633411641 |
9 | 5424266408 |
10 | 2121143201 |
11 | 99936a311 |
12 | 4b2449515 |
13 | 27a5b1728 |
14 | 1619d1529 |
15 | c6341d1b |
hex | 7e6e13a1 |
2121143201 has 8 divisors (see below), whose sum is σ = 2195294400. Its totient is φ = 2047059280.
The previous prime is 2121143183. The next prime is 2121143207. The reversal of 2121143201 is 1023411212.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 2121143201 - 26 = 2121143137 is a prime.
It is a Duffinian number.
It is a self number, because there is not a number n which added to its sum of digits gives 2121143201.
It is not an unprimeable number, because it can be changed into a prime (2121143207) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 52196 + ... + 83466.
It is an arithmetic number, because the mean of its divisors is an integer number (274411800).
Almost surely, 22121143201 is an apocalyptic number.
It is an amenable number.
2121143201 is a deficient number, since it is larger than the sum of its proper divisors (74151199).
2121143201 is a wasteful number, since it uses less digits than its factorization.
2121143201 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 33639.
The product of its (nonzero) digits is 96, while the sum is 17.
The square root of 2121143201 is about 46055.8704292949. The cubic root of 2121143201 is about 1284.8625269416.
Adding to 2121143201 its reverse (1023411212), we get a palindrome (3144554413).
The spelling of 2121143201 in words is "two billion, one hundred twenty-one million, one hundred forty-three thousand, two hundred one".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.067 sec. • engine limits •