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12882198169 is a prime number
BaseRepresentation
bin10111111111101011…
…01011111010011001
31020020210010110201201
423333311223322121
5202340320320134
65530142114201
7634142610031
oct137765537231
936223113651
1012882198169
115510735175
1225b627b961
1312a3b67489
148a2c628c1
15505e32914
hex2ffd6be99

12882198169 has 2 divisors, whose sum is σ = 12882198170. Its totient is φ = 12882198168.

The previous prime is 12882198139. The next prime is 12882198187. The reversal of 12882198169 is 96189128821.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 12572015625 + 310182544 = 112125^2 + 17612^2 .

It is a cyclic number.

It is not a de Polignac number, because 12882198169 - 231 = 10734714521 is a prime.

It is a super-2 number, since 2×128821981692 (a number of 21 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (12882198139) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6441099084 + 6441099085.

It is an arithmetic number, because the mean of its divisors is an integer number (6441099085).

Almost surely, 212882198169 is an apocalyptic number.

It is an amenable number.

12882198169 is a deficient number, since it is larger than the sum of its proper divisors (1).

12882198169 is an equidigital number, since it uses as much as digits as its factorization.

12882198169 is an evil number, because the sum of its binary digits is even.

The product of its digits is 995328, while the sum is 55.

The spelling of 12882198169 in words is "twelve billion, eight hundred eighty-two million, one hundred ninety-eight thousand, one hundred sixty-nine".