Base | Representation |
---|---|
bin | 11101000110010010… |
… | …110111101110001111 |
3 | 2222122110022220022121 |
4 | 131012102313232033 |
5 | 1002441443414043 |
6 | 22204153553411 |
7 | 2154154443451 |
oct | 350622675617 |
9 | 88573286277 |
10 | 31244123023 |
11 | 12283547083 |
12 | 607b715867 |
13 | 2c3c067979 |
14 | 17257822d1 |
15 | c2ce7cded |
hex | 7464b7b8f |
31244123023 has 2 divisors, whose sum is σ = 31244123024. Its totient is φ = 31244123022.
The previous prime is 31244123003. The next prime is 31244123039. The reversal of 31244123023 is 32032144213.
It is a strong prime.
It is a cyclic number.
It is not a de Polignac number, because 31244123023 - 213 = 31244114831 is a prime.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (31244123003) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15622061511 + 15622061512.
It is an arithmetic number, because the mean of its divisors is an integer number (15622061512).
Almost surely, 231244123023 is an apocalyptic number.
31244123023 is a deficient number, since it is larger than the sum of its proper divisors (1).
31244123023 is an equidigital number, since it uses as much as digits as its factorization.
31244123023 is an odious number, because the sum of its binary digits is odd.
The product of its (nonzero) digits is 3456, while the sum is 25.
Adding to 31244123023 its reverse (32032144213), we get a palindrome (63276267236).
The spelling of 31244123023 in words is "thirty-one billion, two hundred forty-four million, one hundred twenty-three thousand, twenty-three".
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