Base | Representation |
---|---|
bin | 1110111001001… |
… | …00101111100111 |
3 | 22201002011011211 |
4 | 13130210233213 |
5 | 223440243142 |
6 | 20221412251 |
7 | 3044616313 |
oct | 734445747 |
9 | 281064154 |
10 | 124931047 |
11 | 6457a5aa |
12 | 35a0a087 |
13 | 1cb624c7 |
14 | 12840b43 |
15 | ae7b917 |
hex | 7724be7 |
124931047 has 2 divisors, whose sum is σ = 124931048. Its totient is φ = 124931046.
The previous prime is 124930997. The next prime is 124931057. The reversal of 124931047 is 740139421.
It is a strong prime.
It is a cyclic number.
It is not a de Polignac number, because 124931047 - 219 = 124406759 is a prime.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (124931057) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 62465523 + 62465524.
It is an arithmetic number, because the mean of its divisors is an integer number (62465524).
Almost surely, 2124931047 is an apocalyptic number.
124931047 is a deficient number, since it is larger than the sum of its proper divisors (1).
124931047 is an equidigital number, since it uses as much as digits as its factorization.
124931047 is an odious number, because the sum of its binary digits is odd.
The product of its (nonzero) digits is 6048, while the sum is 31.
The square root of 124931047 is about 11177.2557902197. The cubic root of 124931047 is about 499.9080457565.
The spelling of 124931047 in words is "one hundred twenty-four million, nine hundred thirty-one thousand, forty-seven".
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