Base | Representation |
---|---|
bin | 111101000111000011… |
… | …1101100110101100011 |
3 | 110112201212210120101012 |
4 | 1322032013230311203 |
5 | 4122231222332321 |
6 | 140142055131135 |
7 | 12324041341112 |
oct | 1721607546543 |
9 | 415655716335 |
10 | 131233402211 |
11 | 5072391a4aa |
12 | 21525973aab |
13 | c4b5592722 |
14 | 64cd211c79 |
15 | 363129b05b |
hex | 1e8e1ecd63 |
131233402211 has 8 divisors (see below), whose sum is σ = 138987913920. Its totient is φ = 123563639592.
The previous prime is 131233402151. The next prime is 131233402213. The reversal of 131233402211 is 112204332131.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-131233402211 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (131233402213) 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, 21184085 + ... + 21190278.
It is an arithmetic number, because the mean of its divisors is an integer number (17373489240).
Almost surely, 2131233402211 is an apocalyptic number.
131233402211 is a deficient number, since it is larger than the sum of its proper divisors (7754511709).
131233402211 is a wasteful number, since it uses less digits than its factorization.
131233402211 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 42374545.
The product of its (nonzero) digits is 864, while the sum is 23.
Adding to 131233402211 its reverse (112204332131), we get a palindrome (243437734342).
The spelling of 131233402211 in words is "one hundred thirty-one billion, two hundred thirty-three million, four hundred two thousand, two hundred eleven".
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