Base | Representation |
---|---|
bin | 111111001101110… |
… | …1111111010001101 |
3 | 12110211102021221201 |
4 | 1332123233322031 |
5 | 13321012001331 |
6 | 550252425501 |
7 | 103364634205 |
oct | 17633577215 |
9 | 5424367851 |
10 | 2121203341 |
11 | 999400514 |
12 | 4b2478291 |
13 | 27a602c0a |
14 | 161a09405 |
15 | c6354a61 |
hex | 7e6efe8d |
2121203341 has 8 divisors (see below), whose sum is σ = 2166428160. Its totient is φ = 2076287712.
The previous prime is 2121203333. The next prime is 2121203353. The reversal of 2121203341 is 1433021212.
It is a happy number.
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 2121203341 - 23 = 2121203333 is a prime.
It is a super-2 number, since 2×21212033412 = 8999007227739124562, which contains 22 as substring.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (2121203311) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 63405 + ... + 90898.
It is an arithmetic number, because the mean of its divisors is an integer number (270803520).
Almost surely, 22121203341 is an apocalyptic number.
It is an amenable number.
2121203341 is a deficient number, since it is larger than the sum of its proper divisors (45224819).
2121203341 is a wasteful number, since it uses less digits than its factorization.
2121203341 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 154595.
The product of its (nonzero) digits is 288, while the sum is 19.
The square root of 2121203341 is about 46056.5233273203. The cubic root of 2121203341 is about 1284.8746699065.
Adding to 2121203341 its reverse (1433021212), we get a palindrome (3554224553).
The spelling of 2121203341 in words is "two billion, one hundred twenty-one million, two hundred three thousand, three hundred forty-one".
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