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205426554462013 = 1319360053432559
BaseRepresentation
bin101110101101010110011000…
…110011100101111100111101
3222221100120211210012222210111
4232231112120303211330331
5203411202040420241023
62004523353432310021
761161402344220403
oct5655263063457475
9887316753188714
10205426554462013
115a500a04597585
121b059061542311
138a818442782a1
1438a29ac155473
1518b393958300d
hexbad598ce5f3d

205426554462013 has 8 divisors (see below), whose sum is σ = 205583344876800. Its totient is φ = 205269765635088.

The previous prime is 205426554461977. The next prime is 205426554462119. The reversal of 205426554462013 is 310264455624502.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 205426554462013 - 29 = 205426554461501 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (205426554460013) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 474693628 + ... + 475126186.

It is an arithmetic number, because the mean of its divisors is an integer number (25697918109600).

Almost surely, 2205426554462013 is an apocalyptic number.

It is an amenable number.

205426554462013 is a deficient number, since it is larger than the sum of its proper divisors (156790414787).

205426554462013 is a wasteful number, since it uses less digits than its factorization.

205426554462013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 793931.

The product of its (nonzero) digits is 6912000, while the sum is 49.

The spelling of 205426554462013 in words is "two hundred five trillion, four hundred twenty-six billion, five hundred fifty-four million, four hundred sixty-two thousand, thirteen".

Divisors: 1 1319 360053 432559 474909907 570545321 155744165627 205426554462013