Search a number
-
+
54144844145 = 571931801137
BaseRepresentation
bin110010011011010010…
…001100000101110001
312011202110002001212222
4302123102030011301
51341342040003040
640512423530425
73624521403320
oct623322140561
9164673061788
1054144844145
1120a65397887
12a5b0bb9a15
13514b6a6622
142898dca0b7
15161d6cbbb5
hexc9b48c171

54144844145 has 16 divisors (see below), whose sum is σ = 74294333568. Its totient is φ = 37108619520.

The previous prime is 54144844133. The next prime is 54144844163.

54144844145 is nontrivially palindromic in base 10.

It is a de Polignac number, because none of the positive numbers 2k-54144844145 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 54144844096 and 54144844105.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 332984 + ... + 468153.

It is an arithmetic number, because the mean of its divisors is an integer number (4643395848).

Almost surely, 254144844145 is an apocalyptic number.

It is an amenable number.

54144844145 is a deficient number, since it is larger than the sum of its proper divisors (20149489423).

54144844145 is a wasteful number, since it uses less digits than its factorization.

54144844145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 803080.

The product of its digits is 819200, while the sum is 44.

The spelling of 54144844145 in words is "fifty-four billion, one hundred forty-four million, eight hundred forty-four thousand, one hundred forty-five".

Divisors: 1 5 7 35 1931 9655 13517 67585 801137 4005685 5607959 28039795 1546995547 7734977735 10828968829 54144844145