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53432542105 = 510686508421
BaseRepresentation
bin110001110000110100…
…111110001110011001
312002220210202101011221
4301300310332032121
51333412212321410
640314020452041
73601052054065
oct616064761631
9162823671157
1053432542105
112072a305808
12a43254a021
135066c4a927
14282c56caa5
1515cadc94da
hexc70d3e399

53432542105 has 4 divisors (see below), whose sum is σ = 64119050532. Its totient is φ = 42746033680.

The previous prime is 53432542103. The next prime is 53432542109. The reversal of 53432542105 is 50124523435.

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 21424469641 + 32008072464 = 146371^2 + 178908^2 .

It is not a de Polignac number, because 53432542105 - 21 = 53432542103 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (53432542103) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5343254206 + ... + 5343254215.

It is an arithmetic number, because the mean of its divisors is an integer number (16029762633).

Almost surely, 253432542105 is an apocalyptic number.

It is an amenable number.

53432542105 is a deficient number, since it is larger than the sum of its proper divisors (10686508427).

53432542105 is a wasteful number, since it uses less digits than its factorization.

53432542105 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10686508426.

The product of its (nonzero) digits is 72000, while the sum is 34.

The spelling of 53432542105 in words is "fifty-three billion, four hundred thirty-two million, five hundred forty-two thousand, one hundred five".

Divisors: 1 5 10686508421 53432542105