Search a number
-
+
45454445455 = 581111209481
BaseRepresentation
bin101010010101010010…
…111100101110001111
311100022210120002000211
4222111102330232033
51221042314223310
632514222303251
73166255261066
oct522522745617
9140283502024
1045454445455
1118305938701
128986727b27
134395106393
1422b2b671dd
1512b07a8c8a
hexa954bcb8f

45454445455 has 8 divisors (see below), whose sum is σ = 54612596304. Its totient is φ = 36318715200.

The previous prime is 45454445437. The next prime is 45454445489. The reversal of 45454445455 is 55454445454.

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

It is not a de Polignac number, because 45454445455 - 219 = 45453921167 is a prime.

It is a super-2 number, since 2×454544454552 (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 45454445399 and 45454445408.

It is a congruent number.

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, 5600686 + ... + 5608795.

It is an arithmetic number, because the mean of its divisors is an integer number (6826574538).

Almost surely, 245454445455 is an apocalyptic number.

45454445455 is a deficient number, since it is larger than the sum of its proper divisors (9158150849).

45454445455 is a wasteful number, since it uses less digits than its factorization.

45454445455 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11210297.

The product of its digits is 12800000, while the sum is 49.

Subtracting 45454445455 from its reverse (55454445454), we obtain a palindrome (9999999999).

The spelling of 45454445455 in words is "forty-five billion, four hundred fifty-four million, four hundred forty-five thousand, four hundred fifty-five".

Divisors: 1 5 811 4055 11209481 56047405 9090889091 45454445455