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10120422457 is a prime number
BaseRepresentation
bin10010110110011100…
…10110010000111001
3222010022100201200101
421123032112100321
5131211312004312
64352123435401
7505536112555
oct113316262071
928108321611
1010120422457
114323795202
121b65385b61
13c53931772
146c014c865
153e3748a57
hex25b396439

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".