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53544162685 = 513263365873
BaseRepresentation
bin110001110111011110…
…110001010101111101
312010012120210021211111
4301313132301111331
51334124301201220
640333045122021
73603605605366
oct616736612575
9163176707744
1053544162685
1120787313a22
12a4639b9311
1350840cc800
14283d306b6d
1515d5ac715a
hexc777b157d

53544162685 has 12 divisors (see below), whose sum is σ = 69575729652. Its totient is φ = 39540304128.

The previous prime is 53544162677. The next prime is 53544162689. The reversal of 53544162685 is 58626144535.

It can be written as a sum of positive squares in 6 ways, for example, as 14218893049 + 39325269636 = 119243^2 + 198306^2 .

It is not a de Polignac number, because 53544162685 - 23 = 53544162677 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53544162689) 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 11 ways as a sum of consecutive naturals, for example, 31682092 + ... + 31683781.

It is an arithmetic number, because the mean of its divisors is an integer number (5797977471).

Almost surely, 253544162685 is an apocalyptic number.

It is an amenable number.

53544162685 is a deficient number, since it is larger than the sum of its proper divisors (16031566967).

53544162685 is a wasteful number, since it uses less digits than its factorization.

53544162685 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 63365904 (or 63365891 counting only the distinct ones).

The product of its digits is 3456000, while the sum is 49.

The spelling of 53544162685 in words is "fifty-three billion, five hundred forty-four million, one hundred sixty-two thousand, six hundred eighty-five".

Divisors: 1 5 13 65 169 845 63365873 316829365 823756349 4118781745 10708832537 53544162685