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63201913 is a prime number
BaseRepresentation
bin1111000100011…
…0001001111001
311101220222201121
43301012021321
5112134430123
610134345241
71365131065
oct361061171
9141828647
1063201913
1132748595
12191bb221
131012b4a8
148572aa5
15583675d
hex3c46279

63201913 has 2 divisors, whose sum is σ = 63201914. Its totient is φ = 63201912.

The previous prime is 63201893. The next prime is 63201947. The reversal of 63201913 is 31910236.

63201913 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., 60793209 + 2408704 = 7797^2 + 1552^2 .

It is a cyclic number.

It is not a de Polignac number, because 63201913 - 25 = 63201881 is a prime.

It is not a weakly prime, because it can be changed into another prime (63201973) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 31600956 + 31600957.

It is an arithmetic number, because the mean of its divisors is an integer number (31600957).

Almost surely, 263201913 is an apocalyptic number.

It is an amenable number.

63201913 is a deficient number, since it is larger than the sum of its proper divisors (1).

63201913 is an equidigital number, since it uses as much as digits as its factorization.

63201913 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 972, while the sum is 25.

The square root of 63201913 is about 7949.9630816753. The cubic root of 63201913 is about 398.3303591958.

The spelling of 63201913 in words is "sixty-three million, two hundred one thousand, nine hundred thirteen".