Base | Representation |
---|---|
bin | 1111101001000… |
… | …00010000101101 |
3 | 100010212212020122 |
4 | 13310200100231 |
5 | 232042013031 |
6 | 21004054325 |
7 | 3152134235 |
oct | 764402055 |
9 | 303785218 |
10 | 131204141 |
11 | 68074682 |
12 | 37b343a5 |
13 | 2124a8b3 |
14 | 135d4cc5 |
15 | b7ba47b |
hex | 7d2042d |
131204141 has 16 divisors (see below), whose sum is σ = 138741120. Its totient is φ = 123943680.
The previous prime is 131204111. The next prime is 131204173. The reversal of 131204141 is 141402131.
It is a happy number.
It is a cyclic number.
It is not a de Polignac number, because 131204141 - 26 = 131204077 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (131204111) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 176216 + ... + 176958.
It is an arithmetic number, because the mean of its divisors is an integer number (8671320).
Almost surely, 2131204141 is an apocalyptic number.
It is an amenable number.
131204141 is a deficient number, since it is larger than the sum of its proper divisors (7536979).
131204141 is an equidigital number, since it uses as much as digits as its factorization.
131204141 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 916.
The product of its (nonzero) digits is 96, while the sum is 17.
The square root of 131204141 is about 11454.4376116857. The cubic root of 131204141 is about 508.1389830421.
Adding to 131204141 its reverse (141402131), we get a palindrome (272606272).
The spelling of 131204141 in words is "one hundred thirty-one million, two hundred four thousand, one hundred forty-one".
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