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12773479673 is a prime number
BaseRepresentation
bin10111110010101101…
…11101010011111001
31012222012112222222202
423321112331103321
5202130002322143
65511255555545
7631352533343
oct137126752371
935865488882
1012773479673
115465329379
12258598bbb5
1312874904c6
14892642293
154eb609ab8
hex2f95bd4f9

12773479673 has 2 divisors, whose sum is σ = 12773479674. Its totient is φ = 12773479672.

The previous prime is 12773479637. The next prime is 12773479711. The reversal of 12773479673 is 37697437721.

Together with previous prime (12773479637) it forms an Ormiston pair, because they use the same digits, order apart.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 9484227769 + 3289251904 = 97387^2 + 57352^2 .

It is a cyclic number.

It is not a de Polignac number, because 12773479673 - 28 = 12773479417 is a prime.

It is not a weakly prime, because it can be changed into another prime (12773479073) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6386739836 + 6386739837.

It is an arithmetic number, because the mean of its divisors is an integer number (6386739837).

Almost surely, 212773479673 is an apocalyptic number.

It is an amenable number.

12773479673 is a deficient number, since it is larger than the sum of its proper divisors (1).

12773479673 is an equidigital number, since it uses as much as digits as its factorization.

12773479673 is an evil number, because the sum of its binary digits is even.

The product of its digits is 9335088, while the sum is 56.

The spelling of 12773479673 in words is "twelve billion, seven hundred seventy-three million, four hundred seventy-nine thousand, six hundred seventy-three".