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1448105993 is a prime number
BaseRepresentation
bin101011001010000…
…0101100000001001
310201220212101222022
41112110011200021
510431203342433
6355405534225
750612461235
oct12624054011
93656771868
101448105993
11683466514
12344b74375
131a1022a69
14da4755c5
15871e8698
hex56505809

1448105993 has 2 divisors, whose sum is σ = 1448105994. Its totient is φ = 1448105992.

The previous prime is 1448105959. The next prime is 1448105999. The reversal of 1448105993 is 3995018441.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1245242944 + 202863049 = 35288^2 + 14243^2 .

It is a cyclic number.

It is not a de Polignac number, because 1448105993 - 26 = 1448105929 is a prime.

It is not a weakly prime, because it can be changed into another prime (1448105999) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 724052996 + 724052997.

It is an arithmetic number, because the mean of its divisors is an integer number (724052997).

Almost surely, 21448105993 is an apocalyptic number.

It is an amenable number.

1448105993 is a deficient number, since it is larger than the sum of its proper divisors (1).

1448105993 is an equidigital number, since it uses as much as digits as its factorization.

1448105993 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 155520, while the sum is 44.

The square root of 1448105993 is about 38053.9878724950. The cubic root of 1448105993 is about 1131.3581688006.

The spelling of 1448105993 in words is "one billion, four hundred forty-eight million, one hundred five thousand, nine hundred ninety-three".