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13421230573 is a prime number
BaseRepresentation
bin11000111111111011…
…11011100111101101
31021122100102011011211
430133331323213231
5204441313334243
610055435314421
7653406402052
oct143775734755
937570364154
1013421230573
115767a311a3
1227268aba11
13135b73786a
14914699029
1553840ad9d
hex31ff7b9ed

13421230573 has 2 divisors, whose sum is σ = 13421230574. Its totient is φ = 13421230572.

The previous prime is 13421230519. The next prime is 13421230579. The reversal of 13421230573 is 37503212431.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 13344177289 + 77053284 = 115517^2 + 8778^2 .

It is an emirp because it is prime and its reverse (37503212431) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-13421230573 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (13421230579) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6710615286 + 6710615287.

It is an arithmetic number, because the mean of its divisors is an integer number (6710615287).

Almost surely, 213421230573 is an apocalyptic number.

It is an amenable number.

13421230573 is a deficient number, since it is larger than the sum of its proper divisors (1).

13421230573 is an equidigital number, since it uses as much as digits as its factorization.

13421230573 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 15120, while the sum is 31.

The spelling of 13421230573 in words is "thirteen billion, four hundred twenty-one million, two hundred thirty thousand, five hundred seventy-three".