Base | Representation |
---|---|
bin | 111110000001111… |
… | …1011000011111011 |
3 | 12101001112020022212 |
4 | 1330003323003323 |
5 | 13230314400011 |
6 | 542311405335 |
7 | 102402430463 |
oct | 17403730373 |
9 | 5331466285 |
10 | 2081403131 |
11 | 978996a85 |
12 | 4a108384b |
13 | 2722a92b2 |
14 | 15a608ba3 |
15 | c2ae208b |
hex | 7c0fb0fb |
2081403131 has 8 divisors (see below), whose sum is σ = 2127396864. Its totient is φ = 2035480680.
The previous prime is 2081403119. The next prime is 2081403139. The reversal of 2081403131 is 1313041802.
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 2081403131 - 26 = 2081403067 is a prime.
It is a super-2 number, since 2×20814031312 = 8664477987473206322, which contains 22 as substring.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 2081403097 and 2081403106.
It is not an unprimeable number, because it can be changed into a prime (2081403139) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 43526 + ... + 77828.
It is an arithmetic number, because the mean of its divisors is an integer number (265924608).
Almost surely, 22081403131 is an apocalyptic number.
2081403131 is a deficient number, since it is larger than the sum of its proper divisors (45993733).
2081403131 is a wasteful number, since it uses less digits than its factorization.
2081403131 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 35641.
The product of its (nonzero) digits is 576, while the sum is 23.
The square root of 2081403131 is about 45622.3972517885. The cubic root of 2081403131 is about 1276.7878301776.
Adding to 2081403131 its reverse (1313041802), we get a palindrome (3394444933).
The spelling of 2081403131 in words is "two billion, eighty-one million, four hundred three thousand, one hundred thirty-one".
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