Search a number
-
+
54207640543 = 735832161303
BaseRepresentation
bin110010011111000001…
…101111001111011111
312011220211020110100111
4302133001233033133
51342004123444133
640522545510451
73626213225230
oct623701571737
9164824213314
1054207640543
1120a97888731
12a60a042427
13515b6c2364
1428a3495087
151623e831cd
hexc9f06f3df

54207640543 has 8 divisors (see below), whose sum is σ = 61968908288. Its totient is φ = 46450702584.

The previous prime is 54207640519. The next prime is 54207640559. The reversal of 54207640543 is 34504670245.

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 54207640543 - 217 = 54207509471 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 54207640496 and 54207640505.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (54207640343) 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, 1055571 + ... + 1105732.

It is an arithmetic number, because the mean of its divisors is an integer number (7746113536).

Almost surely, 254207640543 is an apocalyptic number.

54207640543 is a deficient number, since it is larger than the sum of its proper divisors (7761267745).

54207640543 is a wasteful number, since it uses less digits than its factorization.

54207640543 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2164893.

The product of its (nonzero) digits is 403200, while the sum is 40.

The spelling of 54207640543 in words is "fifty-four billion, two hundred seven million, six hundred forty thousand, five hundred forty-three".

Divisors: 1 7 3583 25081 2161303 15129121 7743948649 54207640543