Search a number
-
+
54135453145 = 561177493289
BaseRepresentation
bin110010011010101110…
…010111010111011001
312011201210101221212011
4302122232113113121
51341332134000040
640511450345521
73624345521314
oct623256272731
9164653357764
1054135453145
1120a60063224
12a5a9a2b2a1
135149769017
142897a6397b
15161c9743ea
hexc9ab975d9

54135453145 has 8 divisors (see below), whose sum is σ = 66027503880. Its totient is φ = 42598389120.

The previous prime is 54135453139. The next prime is 54135453193.

54135453145 is nontrivially palindromic in base 10.

It can be written as a sum of positive squares in 4 ways, for example, as 3146200281 + 50989252864 = 56091^2 + 225808^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a de Polignac number, because none of the positive numbers 2k-54135453145 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 54135453098 and 54135453107.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 88746340 + ... + 88746949.

It is an arithmetic number, because the mean of its divisors is an integer number (8253437985).

Almost surely, 254135453145 is an apocalyptic number.

It is an amenable number.

54135453145 is a deficient number, since it is larger than the sum of its proper divisors (11892050735).

54135453145 is a wasteful number, since it uses less digits than its factorization.

54135453145 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 177493355.

The product of its digits is 360000, while the sum is 40.

The spelling of 54135453145 in words is "fifty-four billion, one hundred thirty-five million, four hundred fifty-three thousand, one hundred forty-five".

Divisors: 1 5 61 305 177493289 887466445 10827090629 54135453145