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3129798979213 is a prime number
BaseRepresentation
bin101101100010110110100…
…011100110111010001101
3102002012120001221121101121
4231202312203212322031
5402234312014313323
610353450530040541
7442056223243024
oct55426643467215
912065501847347
103129798979213
11aa7381a25a25
124266ab419151
131991a5b8090a
14ab6a97d58bb
155662eaeaa5d
hex2d8b68e6e8d

3129798979213 has 2 divisors, whose sum is σ = 3129798979214. Its totient is φ = 3129798979212.

The previous prime is 3129798979189. The next prime is 3129798979231.

3129798979213 is nontrivially palindromic in base 10.

Together with next prime (3129798979231) it forms an Ormiston pair, because they use the same digits, order apart.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 3034152901924 + 95646077289 = 1741882^2 + 309267^2 .

It is a palprime.

It is a cyclic number.

It is not a de Polignac number, because 3129798979213 - 29 = 3129798978701 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3129798979243) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1564899489606 + 1564899489607.

It is an arithmetic number, because the mean of its divisors is an integer number (1564899489607).

Almost surely, 23129798979213 is an apocalyptic number.

It is an amenable number.

3129798979213 is a deficient number, since it is larger than the sum of its proper divisors (1).

3129798979213 is an equidigital number, since it uses as much as digits as its factorization.

3129798979213 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 92588832, while the sum is 70.

The spelling of 3129798979213 in words is "three trillion, one hundred twenty-nine billion, seven hundred ninety-eight million, nine hundred seventy-nine thousand, two hundred thirteen".