Search a number
-
+
54140150321 = 82231658391
BaseRepresentation
bin110010011011000000…
…010010001000110001
312011202010020121011122
4302123000102020301
51341334334302241
640512135152025
73624433453565
oct623300221061
9164663217148
1054140150321
1120a62781294
12a5ab515615
13514a72200a
1428985276a5
15161d0a104b
hexc9b012231

54140150321 has 4 divisors (see below), whose sum is σ = 54140890944. Its totient is φ = 54139409700.

The previous prime is 54140150287. The next prime is 54140150327. The reversal of 54140150321 is 12305104145.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-54140150321 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (54140150327) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 246965 + ... + 411426.

It is an arithmetic number, because the mean of its divisors is an integer number (13535222736).

Almost surely, 254140150321 is an apocalyptic number.

It is an amenable number.

54140150321 is a deficient number, since it is larger than the sum of its proper divisors (740623).

54140150321 is an equidigital number, since it uses as much as digits as its factorization.

54140150321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 740622.

The product of its (nonzero) digits is 2400, while the sum is 26.

Adding to 54140150321 its reverse (12305104145), we get a palindrome (66445254466).

The spelling of 54140150321 in words is "fifty-four billion, one hundred forty million, one hundred fifty thousand, three hundred twenty-one".

Divisors: 1 82231 658391 54140150321