Base | Representation |
---|---|
bin | 111101000011001011… |
… | …1000001101110100011 |
3 | 110112101210210201112222 |
4 | 1322012113001232203 |
5 | 4121444404432321 |
6 | 140121124341255 |
7 | 12320600555222 |
oct | 1720627015643 |
9 | 415353721488 |
10 | 131103202211 |
11 | 506673812a3 |
12 | 214aa24482b |
13 | c494606bc7 |
14 | 64b9bdccb9 |
15 | 3624b2d3ab |
hex | 1e865c1ba3 |
131103202211 has 4 divisors (see below), whose sum is σ = 131114037672. Its totient is φ = 131092366752.
The previous prime is 131103202171. The next prime is 131103202247. The reversal of 131103202211 is 112202301131.
It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 112202301131 = 41 ⋅2736641491.
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-131103202211 is a prime.
It is a Duffinian number.
It is a self number, because there is not a number n which added to its sum of digits gives 131103202211.
It is not an unprimeable number, because it can be changed into a prime (131103262211) 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 3 ways as a sum of consecutive naturals, for example, 5399561 + ... + 5423786.
It is an arithmetic number, because the mean of its divisors is an integer number (32778509418).
Almost surely, 2131103202211 is an apocalyptic number.
131103202211 is a deficient number, since it is larger than the sum of its proper divisors (10835461).
131103202211 is a wasteful number, since it uses less digits than its factorization.
131103202211 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 10835460.
The product of its (nonzero) digits is 72, while the sum is 17.
Adding to 131103202211 its reverse (112202301131), we get a palindrome (243305503342).
The spelling of 131103202211 in words is "one hundred thirty-one billion, one hundred three million, two hundred two thousand, two hundred eleven".
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