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53645351164 = 2217788902223
BaseRepresentation
bin110001111101100000…
…110001100011111100
312010110122012012022221
4301331200301203330
51334331202214124
640351102015124
73606244650466
oct617540614374
9163418165287
1053645351164
1120829447369
12a4918774a4
13509c06b252
14284c927136
1515de913ce4
hexc7d8318fc

53645351164 has 12 divisors (see below), whose sum is σ = 99401680224. Its totient is φ = 25244871104.

The previous prime is 53645351141. The next prime is 53645351167. The reversal of 53645351164 is 46115354635.

It is a self number, because there is not a number n which added to its sum of digits gives 53645351164.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53645351167) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 394451044 + ... + 394451179.

It is an arithmetic number, because the mean of its divisors is an integer number (8283473352).

Almost surely, 253645351164 is an apocalyptic number.

It is an amenable number.

53645351164 is a deficient number, since it is larger than the sum of its proper divisors (45756329060).

53645351164 is a wasteful number, since it uses less digits than its factorization.

53645351164 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 788902244 (or 788902242 counting only the distinct ones).

The product of its digits is 648000, while the sum is 43.

The spelling of 53645351164 in words is "fifty-three billion, six hundred forty-five million, three hundred fifty-one thousand, one hundred sixty-four".

Divisors: 1 2 4 17 34 68 788902223 1577804446 3155608892 13411337791 26822675582 53645351164