Base | Representation |
---|---|
bin | 111000011100010110… |
… | …0000000010110000101 |
3 | 102120212100021022011112 |
4 | 1300320230000112011 |
5 | 3441214244103013 |
6 | 131403322014405 |
7 | 11520462140261 |
oct | 1607054002605 |
9 | 376770238145 |
10 | 121210144133 |
11 | 4744aa6a341 |
12 | 1b5a9047405 |
13 | b578b20ba0 |
14 | 5c1bd570a1 |
15 | 3246346ba8 |
hex | 1c38b00585 |
121210144133 has 8 divisors (see below), whose sum is σ = 130543123200. Its totient is φ = 111878468208.
The previous prime is 121210144127. The next prime is 121210144213. The reversal of 121210144133 is 331441012121.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 121210144133 - 28 = 121210143877 is a prime.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 121210144099 and 121210144108.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (121210144333) 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, 128153 + ... + 508766.
It is an arithmetic number, because the mean of its divisors is an integer number (16317890400).
Almost surely, 2121210144133 is an apocalyptic number.
121210144133 is a gapful number since it is divisible by the number (13) formed by its first and last digit.
It is an amenable number.
121210144133 is a deficient number, since it is larger than the sum of its proper divisors (9332979067).
121210144133 is a wasteful number, since it uses less digits than its factorization.
121210144133 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 651571.
The product of its (nonzero) digits is 576, while the sum is 23.
Adding to 121210144133 its reverse (331441012121), we get a palindrome (452651156254).
The spelling of 121210144133 in words is "one hundred twenty-one billion, two hundred ten million, one hundred forty-four thousand, one hundred thirty-three".
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