Search a number
-
+
135624054888 = 233471912712391
BaseRepresentation
bin111111001001111010…
…0101101100001101000
3110222001212120211120000
41332103310231201220
54210224224224023
6142145502103000
712540614305560
oct1762364554150
9428055524500
10135624054888
1152577274883
122235027aa60
13ca35101c6a
1467c83b5da0
1537db98a243
hex1f93d2d868

135624054888 has 320 divisors, whose sum is σ = 460625510400. Its totient is φ = 36418273920.

The previous prime is 135624054887. The next prime is 135624054941. The reversal of 135624054888 is 888450426531.

135624054888 is a `hidden beast` number, since 1 + 3 + 5 + 624 + 0 + 5 + 4 + 8 + 8 + 8 = 666.

135624054888 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is not an unprimeable number, because it can be changed into a prime (135624054887) by changing a digit.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 10939173 + ... + 10951563.

It is an arithmetic number, because the mean of its divisors is an integer number (1439454720).

Almost surely, 2135624054888 is an apocalyptic number.

135624054888 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 135624054888, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (230312755200).

135624054888 is an abundant number, since it is smaller than the sum of its proper divisors (325001455512).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

135624054888 is a wasteful number, since it uses less digits than its factorization.

135624054888 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12562 (or 12549 counting only the distinct ones).

The product of its (nonzero) digits is 7372800, while the sum is 54.

The spelling of 135624054888 in words is "one hundred thirty-five billion, six hundred twenty-four million, fifty-four thousand, eight hundred eighty-eight".