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13423930229 = 24709543281
BaseRepresentation
bin11001000000010000…
…01110101101110101
31021122112111022102002
430200020032231311
5204443011231404
610100013225045
7653441344553
oct144010165565
937575438362
1013423930229
115769505516
122727792185
13135c1715a8
14914b9cbd3
15538790c1e
hex32020eb75

13423930229 has 4 divisors (see below), whose sum is σ = 13424498220. Its totient is φ = 13423362240.

The previous prime is 13423930181. The next prime is 13423930241. The reversal of 13423930229 is 92203932431.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 9835680625 + 3588249604 = 99175^2 + 59902^2 .

It is a cyclic number.

It is not a de Polignac number, because 13423930229 - 224 = 13407153013 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 13423930192 and 13423930201.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13423930249) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 246932 + ... + 296349.

It is an arithmetic number, because the mean of its divisors is an integer number (3356124555).

Almost surely, 213423930229 is an apocalyptic number.

It is an amenable number.

13423930229 is a deficient number, since it is larger than the sum of its proper divisors (567991).

13423930229 is an equidigital number, since it uses as much as digits as its factorization.

13423930229 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 567990.

The product of its (nonzero) digits is 69984, while the sum is 38.

The spelling of 13423930229 in words is "thirteen billion, four hundred twenty-three million, nine hundred thirty thousand, two hundred twenty-nine".

Divisors: 1 24709 543281 13423930229