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55560651665161 = 641580114941921
BaseRepresentation
bin11001010001000001110001…
…11001111110111100001001
321021201112202100021221002111
430220200320321332330021
524240301203311241121
6314100113324502321
714463060512621026
oct1450407071767411
9237645670257074
1055560651665161
111678115a446855
1262940399aa9a1
1325004683aa076
14da121541c54d
156653d7a3d2e1
hex328838e7ef09

55560651665161 has 8 divisors (see below), whose sum is σ = 55656926187048. Its totient is φ = 55464407040000.

The previous prime is 55560651665153. The next prime is 55560651665179. The reversal of 55560651665161 is 16156615606555.

55560651665161 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 31394382218761 + 24166269446400 = 5603069^2 + 4915920^2 .

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 55560651665161 - 23 = 55560651665153 is a prime.

It is a super-2 number, since 2×555606516651612 (a number of 28 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 55560651665096 and 55560651665105.

It is not an unprimeable number, because it can be changed into a prime (55560651635161) 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 7 ways as a sum of consecutive naturals, for example, 3752520 + ... + 11189401.

It is an arithmetic number, because the mean of its divisors is an integer number (6957115773381).

Almost surely, 255560651665161 is an apocalyptic number.

It is an amenable number.

55560651665161 is a deficient number, since it is larger than the sum of its proper divisors (96274521887).

55560651665161 is a wasteful number, since it uses less digits than its factorization.

55560651665161 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14948363.

The product of its (nonzero) digits is 24300000, while the sum is 58.

The spelling of 55560651665161 in words is "fifty-five trillion, five hundred sixty billion, six hundred fifty-one million, six hundred sixty-five thousand, one hundred sixty-one".

Divisors: 1 641 5801 3718441 14941921 9577771361 86678083721 55560651665161