Base | Representation |
---|---|
bin | 100101010000111110… |
… | …011001101011011001 |
3 | 10211021120222020210201 |
4 | 211100332121223121 |
5 | 1123421342203144 |
6 | 30214250342201 |
7 | 2614364636305 |
oct | 452076315331 |
9 | 124246866721 |
10 | 40013241049 |
11 | 15a73482261 |
12 | 790842a961 |
13 | 3a08a3a3c2 |
14 | 1d18256d05 |
15 | 1092c501d4 |
hex | 950f99ad9 |
40013241049 has 2 divisors, whose sum is σ = 40013241050. Its totient is φ = 40013241048.
The previous prime is 40013241017. The next prime is 40013241077. The reversal of 40013241049 is 94014231004.
It is an a-pointer prime, because the next prime (40013241077) can be obtained adding 40013241049 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., 22094741449 + 17918499600 = 148643^2 + 133860^2 .
It is a cyclic number.
It is not a de Polignac number, because 40013241049 - 25 = 40013241017 is a prime.
It is not a weakly prime, because it can be changed into another prime (40313241049) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20006620524 + 20006620525.
It is an arithmetic number, because the mean of its divisors is an integer number (20006620525).
Almost surely, 240013241049 is an apocalyptic number.
It is an amenable number.
40013241049 is a deficient number, since it is larger than the sum of its proper divisors (1).
40013241049 is an equidigital number, since it uses as much as digits as its factorization.
40013241049 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 28.
The spelling of 40013241049 in words is "forty billion, thirteen million, two hundred forty-one thousand, forty-nine".
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