Base | Representation |
---|---|
bin | 111000011001110000… |
… | …0010110100100000011 |
3 | 102120122021200020210211 |
4 | 1300303200112210003 |
5 | 3441030020001311 |
6 | 131350534334551 |
7 | 11515355145454 |
oct | 1606340264403 |
9 | 376567606724 |
10 | 121123203331 |
11 | 47405988439 |
12 | 1b583aba457 |
13 | b563b00520 |
14 | 5c105a512b |
15 | 323d8c1821 |
hex | 1c33816903 |
121123203331 has 8 divisors (see below), whose sum is σ = 131240622800. Its totient is φ = 111120105312.
The previous prime is 121123203281. The next prime is 121123203353. The reversal of 121123203331 is 133302321121.
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 121123203331 - 219 = 121122679043 is a prime.
It is a super-2 number, since 2×1211232033312 (a number of 23 digits) contains 22 as substring.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (121123203361) 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, 28578156 + ... + 28582393.
It is an arithmetic number, because the mean of its divisors is an integer number (16405077850).
Almost surely, 2121123203331 is an apocalyptic number.
121123203331 is a deficient number, since it is larger than the sum of its proper divisors (10117419469).
121123203331 is a wasteful number, since it uses less digits than its factorization.
121123203331 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 57160725.
The product of its (nonzero) digits is 648, while the sum is 22.
Adding to 121123203331 its reverse (133302321121), we get a palindrome (254425524452).
The spelling of 121123203331 in words is "one hundred twenty-one billion, one hundred twenty-three million, two hundred three thousand, three hundred thirty-one".
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