Base | Representation |
---|---|
bin | 1111101001111… |
… | …11101010000101 |
3 | 100011010101122121 |
4 | 13310333222011 |
5 | 232110121431 |
6 | 21010525541 |
7 | 3153211201 |
oct | 764775205 |
9 | 304111577 |
10 | 131332741 |
11 | 68152261 |
12 | 37b968b1 |
13 | 212942a7 |
14 | 13629b01 |
15 | b7e3611 |
hex | 7d3fa85 |
131332741 has 2 divisors, whose sum is σ = 131332742. Its totient is φ = 131332740.
The previous prime is 131332727. The next prime is 131332753. The reversal of 131332741 is 147233131.
It is a strong prime.
It can be written as a sum of positive squares in only one way, i.e., 74390625 + 56942116 = 8625^2 + 7546^2 .
It is a cyclic number.
It is not a de Polignac number, because 131332741 - 27 = 131332613 is a prime.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (131332841) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a good prime.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 65666370 + 65666371.
It is an arithmetic number, because the mean of its divisors is an integer number (65666371).
Almost surely, 2131332741 is an apocalyptic number.
It is an amenable number.
131332741 is a deficient number, since it is larger than the sum of its proper divisors (1).
131332741 is an equidigital number, since it uses as much as digits as its factorization.
131332741 is an odious number, because the sum of its binary digits is odd.
The product of its digits is 1512, while the sum is 25.
The square root of 131332741 is about 11460.0497817418. The cubic root of 131332741 is about 508.3049466426.
Adding to 131332741 its reverse (147233131), we get a palindrome (278565872).
The spelling of 131332741 in words is "one hundred thirty-one million, three hundred thirty-two thousand, seven hundred forty-one".
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