Base | Representation |
---|---|
bin | 1110001101010001001010… |
… | …11011001110001011010101 |
3 | 11002121201122000210022000101 |
4 | 13012220211123032023111 |
5 | 13043333031310112203 |
6 | 150240251105014101 |
7 | 6403114223246122 |
oct | 706504533161325 |
9 | 132551560708011 |
10 | 31242220004053 |
11 | 9a55829789083 |
12 | 3606b50324331 |
13 | 14581899c3076 |
14 | 7a01bac49749 |
15 | 392a3631a41d |
hex | 1c6a256ce2d5 |
31242220004053 has 2 divisors, whose sum is σ = 31242220004054. Its totient is φ = 31242220004052.
The previous prime is 31242220003999. The next prime is 31242220004081. The reversal of 31242220004053 is 35040002224213.
It is an a-pointer prime, because the next prime (31242220004081) can be obtained adding 31242220004053 to its sum of digits (28).
It is a strong prime.
It can be written as a sum of positive squares in only one way, i.e., 31025145080484 + 217074923569 = 5570022^2 + 465913^2 .
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-31242220004053 is a prime.
It is a super-3 number, since 3×312422200040533 (a number of 41 digits) contains 333 as substring.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (31242220004953) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (23) of ones.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15621110002026 + 15621110002027.
It is an arithmetic number, because the mean of its divisors is an integer number (15621110002027).
Almost surely, 231242220004053 is an apocalyptic number.
It is an amenable number.
31242220004053 is a deficient number, since it is larger than the sum of its proper divisors (1).
31242220004053 is an equidigital number, since it uses as much as digits as its factorization.
31242220004053 is an odious number, because the sum of its binary digits is odd.
The product of its (nonzero) digits is 11520, while the sum is 28.
Adding to 31242220004053 its reverse (35040002224213), we get a palindrome (66282222228266).
The spelling of 31242220004053 in words is "thirty-one trillion, two hundred forty-two billion, two hundred twenty million, four thousand, fifty-three".
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