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53868666666667 = 238926315909461
BaseRepresentation
bin11000011111110010001101…
…01111011011111010101011
321001201210110000000100222011
430033321012233123322223
524030041012131313132
6310322531314140351
714226611530465546
oct1417710657337253
9231653400010864
1053868666666667
1116189633a86556
1260601375816b7
132409a4133a948
14d4338636185d
156363aabceb47
hex30fe46bdbeab

53868666666667 has 8 divisors (see below), whose sum is σ = 56842364437920. Its totient is φ = 50947600714560.

The previous prime is 53868666666631. The next prime is 53868666666677. The reversal of 53868666666667 is 76666666686835.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-53868666666667 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (53868666666677) 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, 13157952684 + ... + 13157956777.

It is an arithmetic number, because the mean of its divisors is an integer number (7105295554740).

Almost surely, 253868666666667 is an apocalyptic number.

53868666666667 is a deficient number, since it is larger than the sum of its proper divisors (2973697771253).

53868666666667 is a wasteful number, since it uses less digits than its factorization.

53868666666667 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26315909573.

The product of its digits is 67722117120, while the sum is 85.

The spelling of 53868666666667 in words is "fifty-three trillion, eight hundred sixty-eight billion, six hundred sixty-six million, six hundred sixty-six thousand, six hundred sixty-seven".

Divisors: 1 23 89 2047 26315909461 605265917603 2342115942029 53868666666667