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13400430629 is a prime number
BaseRepresentation
bin11000111101011101…
…00101100000100101
31021120220021102000112
430132232211200211
5204421002240004
610053413422405
7653034531605
oct143656454045
937526242015
1013400430629
115757214963
12271b93aa05
1313573342c1
14911a02c05
1553669ce6e
hex31eba5825

13400430629 has 2 divisors, whose sum is σ = 13400430630. Its totient is φ = 13400430628.

The previous prime is 13400430623. The next prime is 13400430647. The reversal of 13400430629 is 92603400431.

13400430629 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., 7564998529 + 5835432100 = 86977^2 + 76390^2 .

It is an emirp because it is prime and its reverse (92603400431) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 13400430629 - 24 = 13400430613 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 13400430595 and 13400430604.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (13400430623) 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, 6700215314 + 6700215315.

It is an arithmetic number, because the mean of its divisors is an integer number (6700215315).

Almost surely, 213400430629 is an apocalyptic number.

It is an amenable number.

13400430629 is a deficient number, since it is larger than the sum of its proper divisors (1).

13400430629 is an equidigital number, since it uses as much as digits as its factorization.

13400430629 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 15552, while the sum is 32.

The spelling of 13400430629 in words is "thirteen billion, four hundred million, four hundred thirty thousand, six hundred twenty-nine".