Base | Representation |
---|---|
bin | 1111101000011… |
… | …00101101011101 |
3 | 100010201210101201 |
4 | 13310030231131 |
5 | 232031432221 |
6 | 21002235501 |
7 | 3151351615 |
oct | 764145535 |
9 | 303653351 |
10 | 131124061 |
11 | 6801a4a2 |
12 | 37ab5b91 |
13 | 21220303 |
14 | 135b3a45 |
15 | b7a1891 |
hex | 7d0cb5d |
131124061 has 2 divisors, whose sum is σ = 131124062. Its totient is φ = 131124060.
The previous prime is 131124011. The next prime is 131124089. The reversal of 131124061 is 160421131.
It is a strong prime.
It can be written as a sum of positive squares in only one way, i.e., 110376036 + 20748025 = 10506^2 + 4555^2 .
It is a cyclic number.
It is not a de Polignac number, because 131124061 - 213 = 131115869 is a prime.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (131124011) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 65562030 + 65562031.
It is an arithmetic number, because the mean of its divisors is an integer number (65562031).
Almost surely, 2131124061 is an apocalyptic number.
It is an amenable number.
131124061 is a deficient number, since it is larger than the sum of its proper divisors (1).
131124061 is an equidigital number, since it uses as much as digits as its factorization.
131124061 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 144, while the sum is 19.
The square root of 131124061 is about 11450.9414896767. The cubic root of 131124061 is about 508.0355817039.
Adding to 131124061 its reverse (160421131), we get a palindrome (291545192).
The spelling of 131124061 in words is "one hundred thirty-one million, one hundred twenty-four thousand, sixty-one".
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