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13430634433 = 40932837737
BaseRepresentation
bin11001000001000011…
…10011011111000001
31021200000002220211221
430200201303133001
5210001220300213
610100413035041
7653552336416
oct144041633701
937600086757
1013430634433
115772274487
122729a85a81
13136067ac88
14915a2610d
1553916738d
hex3208737c1

13430634433 has 4 divisors (see below), whose sum is σ = 13463472580. Its totient is φ = 13397796288.

The previous prime is 13430634407. The next prime is 13430634439. The reversal of 13430634433 is 33443603431.

It is a happy number.

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 11484765889 + 1945868544 = 107167^2 + 44112^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-13430634433 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13430634439) 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, 16418460 + ... + 16419277.

It is an arithmetic number, because the mean of its divisors is an integer number (3365868145).

Almost surely, 213430634433 is an apocalyptic number.

It is an amenable number.

13430634433 is a deficient number, since it is larger than the sum of its proper divisors (32838147).

13430634433 is an equidigital number, since it uses as much as digits as its factorization.

13430634433 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32838146.

The product of its (nonzero) digits is 93312, while the sum is 34.

The spelling of 13430634433 in words is "thirteen billion, four hundred thirty million, six hundred thirty-four thousand, four hundred thirty-three".

Divisors: 1 409 32837737 13430634433