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55731611694708 = 22321548100324853
BaseRepresentation
bin11001010110000000001101…
…11010101111011001110100
321022022220000211202021011200
430223000012322233121310
524301101320043212313
6314310425435332500
714511322202114115
oct1453000672573164
9238286024667150
1055731611694708
1116837709977374
1263011abbb1130
1325136121b8071
14da95d279a20c
15669a917c1b73
hex32b006eaf674

55731611694708 has 18 divisors (see below), whose sum is σ = 140877129561714. Its totient is φ = 18577203898224.

The previous prime is 55731611694701. The next prime is 55731611694727. The reversal of 55731611694708 is 80749611613755.

55731611694708 is a `hidden beast` number, since 5 + 5 + 7 + 3 + 1 + 611 + 6 + 9 + 4 + 7 + 0 + 8 = 666.

55731611694708 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 only one way, i.e., 52824579874704 + 2907031820004 = 7268052^2 + 1705002^2 .

It is a tau number, because it is divible by the number of its divisors (18).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55731611694701) 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 5 ways as a sum of consecutive naturals, for example, 774050162391 + ... + 774050162462.

It is an arithmetic number, because the mean of its divisors is an integer number (7826507197873).

Almost surely, 255731611694708 is an apocalyptic number.

It is an amenable number.

55731611694708 is an abundant number, since it is smaller than the sum of its proper divisors (85145517867006).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

55731611694708 is a wasteful number, since it uses less digits than its factorization.

55731611694708 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1548100324863 (or 1548100324858 counting only the distinct ones).

The product of its (nonzero) digits is 38102400, while the sum is 63.

The spelling of 55731611694708 in words is "fifty-five trillion, seven hundred thirty-one billion, six hundred eleven million, six hundred ninety-four thousand, seven hundred eight".

Divisors: 1 2 3 4 6 9 12 18 36 1548100324853 3096200649706 4644300974559 6192401299412 9288601949118 13932902923677 18577203898236 27865805847354 55731611694708