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53929295661 = 3271279123767
BaseRepresentation
bin110010001110011011…
…111011111100101101
312011012102111001221210
4302032123323330231
51340421344430121
640435203545033
73616263310143
oct621633737455
9164172431853
1053929295661
112096475503a
12a55098b179
135115b37147
14287851b593
151609800876
hexc8e6fbf2d

53929295661 has 16 divisors (see below), whose sum is σ = 72199958528. Its totient is φ = 35805855600.

The previous prime is 53929295611. The next prime is 53929295741. The reversal of 53929295661 is 16659292935.

It is a happy number.

It is not a de Polignac number, because 53929295661 - 214 = 53929279277 is a prime.

It is a Smith number, since the sum of its digits (57) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53929295611) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2257200 + ... + 2280966.

It is an arithmetic number, because the mean of its divisors is an integer number (4512497408).

Almost surely, 253929295661 is an apocalyptic number.

It is an amenable number.

53929295661 is a deficient number, since it is larger than the sum of its proper divisors (18270662867).

53929295661 is a wasteful number, since it uses less digits than its factorization.

53929295661 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26832.

The product of its digits is 7873200, while the sum is 57.

The spelling of 53929295661 in words is "fifty-three billion, nine hundred twenty-nine million, two hundred ninety-five thousand, six hundred sixty-one".

Divisors: 1 3 271 813 2791 8373 23767 71301 756361 2269083 6440857 19322571 66333697 199001091 17976431887 53929295661