Search a number
-
+
5445286113280 = 212513177997157
BaseRepresentation
bin100111100111101010001…
…0110000011000000000000
3201021120020100111102002211
41033033110112003000000
51203203421221111110
615325310243151504
71101260160163006
oct117172426030000
921246210442084
105445286113280
11180a373064062
1273b3bb375594
1330664698b830
1414b7a61b4a76
159699ec2298a
hex4f3d4583000

5445286113280 has 832 divisors, whose sum is σ = 15341289546240. Its totient is φ = 1837306478592.

The previous prime is 5445286113271. The next prime is 5445286113287. The reversal of 5445286113280 is 823116825445.

It is a tau number, because it is divible by the number of its divisors (832).

It is a super-2 number, since 2×54452861132802 (a number of 26 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (5445286113287) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 34683350962 + ... + 34683351118.

Almost surely, 25445286113280 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 5445286113280, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (7670644773120).

5445286113280 is an abundant number, since it is smaller than the sum of its proper divisors (9896003432960).

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

5445286113280 is a wasteful number, since it uses less digits than its factorization.

5445286113280 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 392 (or 370 counting only the distinct ones).

The product of its (nonzero) digits is 1843200, while the sum is 49.

The spelling of 5445286113280 in words is "five trillion, four hundred forty-five billion, two hundred eighty-six million, one hundred thirteen thousand, two hundred eighty".