Base | Representation |
---|---|
bin | 10010110110011100… |
… | …10110010000111001 |
3 | 222010022100201200101 |
4 | 21123032112100321 |
5 | 131211312004312 |
6 | 4352123435401 |
7 | 505536112555 |
oct | 113316262071 |
9 | 28108321611 |
10 | 10120422457 |
11 | 4323795202 |
12 | 1b65385b61 |
13 | c53931772 |
14 | 6c014c865 |
15 | 3e3748a57 |
hex | 25b396439 |
10120422457 has 2 divisors, whose sum is σ = 10120422458. Its totient is φ = 10120422456.
The previous prime is 10120422437. The next prime is 10120422497. The reversal of 10120422457 is 75422402101.
10120422457 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a weak prime.
It can be written as a sum of positive squares in only one way, i.e., 9474296896 + 646125561 = 97336^2 + 25419^2 .
It is a cyclic number.
It is not a de Polignac number, because 10120422457 - 223 = 10112033849 is a prime.
It is not a weakly prime, because it can be changed into another prime (10120422437) 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, 5060211228 + 5060211229.
It is an arithmetic number, because the mean of its divisors is an integer number (5060211229).
Almost surely, 210120422457 is an apocalyptic number.
It is an amenable number.
10120422457 is a deficient number, since it is larger than the sum of its proper divisors (1).
10120422457 is an equidigital number, since it uses as much as digits as its factorization.
10120422457 is an odious number, because the sum of its binary digits is odd.
The product of its (nonzero) digits is 4480, while the sum is 28.
Adding to 10120422457 its reverse (75422402101), we get a palindrome (85542824558).
The spelling of 10120422457 in words is "ten billion, one hundred twenty million, four hundred twenty-two thousand, four hundred fifty-seven".
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