Base | Representation |
---|---|
bin | 111111001110001… |
… | …0001100011001011 |
3 | 12110211200021222001 |
4 | 1332130101203023 |
5 | 13321030404011 |
6 | 550255411431 |
7 | 103366050010 |
oct | 17634214313 |
9 | 5424607861 |
10 | 2121341131 |
11 | 999494a98 |
12 | 4b2523b77 |
13 | 27a650850 |
14 | 161a43707 |
15 | c63807c1 |
hex | 7e7118cb |
2121341131 has 8 divisors (see below), whose sum is σ = 2610881504. Its totient is φ = 1678423680.
The previous prime is 2121341029. The next prime is 2121341137. The reversal of 2121341131 is 1311431212.
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 2121341131 - 27 = 2121341003 is a prime.
It is a super-2 number, since 2×21213411312 = 9000176388144718322, which contains 22 as substring.
It is a junction number, because it is equal to n+sod(n) for n = 2121341099 and 2121341108.
It is not an unprimeable number, because it can be changed into a prime (2121341137) 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, 11655630 + ... + 11655811.
It is an arithmetic number, because the mean of its divisors is an integer number (326360188).
Almost surely, 22121341131 is an apocalyptic number.
2121341131 is a deficient number, since it is larger than the sum of its proper divisors (489540373).
2121341131 is a wasteful number, since it uses less digits than its factorization.
2121341131 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 23311461.
The product of its digits is 144, while the sum is 19.
The square root of 2121341131 is about 46058.0191823313. The cubic root of 2121341131 is about 1284.9024904434.
Adding to 2121341131 its reverse (1311431212), we get a palindrome (3432772343).
The spelling of 2121341131 in words is "two billion, one hundred twenty-one million, three hundred forty-one thousand, one hundred thirty-one".
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