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12915567673 is a prime number
BaseRepresentation
bin11000000011101001…
…11110110000111001
31020100002220211002021
430001310332300321
5202422341131143
65533333234441
7635026341151
oct140164766071
936302824067
1012915567673
115528557178
122605492a21
1312aaa4c048
148a746b761
15508d24ced
hex301d3ec39

12915567673 has 2 divisors, whose sum is σ = 12915567674. Its totient is φ = 12915567672.

The previous prime is 12915567619. The next prime is 12915567829. The reversal of 12915567673 is 37676551921.

12915567673 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., 12572688384 + 342879289 = 112128^2 + 18517^2 .

It is a cyclic number.

It is not a de Polignac number, because 12915567673 - 225 = 12882013241 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 12915567673.

It is not a weakly prime, because it can be changed into another prime (12915567173) 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, 6457783836 + 6457783837.

It is an arithmetic number, because the mean of its divisors is an integer number (6457783837).

Almost surely, 212915567673 is an apocalyptic number.

It is an amenable number.

12915567673 is a deficient number, since it is larger than the sum of its proper divisors (1).

12915567673 is an equidigital number, since it uses as much as digits as its factorization.

12915567673 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2381400, while the sum is 52.

The spelling of 12915567673 in words is "twelve billion, nine hundred fifteen million, five hundred sixty-seven thousand, six hundred seventy-three".