Search a number
-
+
54223812693 = 333181631339
BaseRepresentation
bin110010011111111111…
…011011100001010101
312011221221200002101000
4302133333123201111
51342022244001233
640524324253513
73626500542321
oct623777334125
9164857602330
1054223812693
1120aa5a24046
12a613541299
135161b6538b
1428a56a4981
1516255c9d13
hexc9ffdb855

54223812693 has 16 divisors (see below), whose sum is σ = 80356955200. Its totient is φ = 36137787120.

The previous prime is 54223812677. The next prime is 54223812749. The reversal of 54223812693 is 39621832245.

54223812693 is a `hidden beast` number, since 5 + 4 + 2 + 2 + 381 + 269 + 3 = 666.

It is not a de Polignac number, because 54223812693 - 24 = 54223812677 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (54223812623) 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 15 ways as a sum of consecutive naturals, for example, 229783 + ... + 401556.

It is an arithmetic number, because the mean of its divisors is an integer number (5022309700).

Almost surely, 254223812693 is an apocalyptic number.

It is an amenable number.

54223812693 is a deficient number, since it is larger than the sum of its proper divisors (26133142507).

54223812693 is a wasteful number, since it uses less digits than its factorization.

54223812693 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 634529 (or 634523 counting only the distinct ones).

The product of its digits is 622080, while the sum is 45.

It can be divided in two parts, 542238 and 12693, that added together give a triangular number (554931 = T1053).

The spelling of 54223812693 in words is "fifty-four billion, two hundred twenty-three million, eight hundred twelve thousand, six hundred ninety-three".

Divisors: 1 3 9 27 3181 9543 28629 85887 631339 1894017 5682051 17046153 2008289359 6024868077 18074604231 54223812693