Search a number
-
+
120791302848 = 26321923479879
BaseRepresentation
bin111000001111110111…
…0010000001011000000
3102112210011010221221100
41300133232100023000
53434340033142343
6131254000454400
711504215063536
oct1603756201300
9375704127840
10120791302848
11472555a5717
121b4b091a400
13b5101136c8
145bbc48a156
15321e6b09d3
hex1c1fb902c0

120791302848 has 168 divisors, whose sum is σ = 380295302400. Its totient is φ = 36486084096.

The previous prime is 120791302799. The next prime is 120791302883. The reversal of 120791302848 is 848203197021.

It is a happy number.

It is a super-2 number, since 2×1207913028482 (a number of 23 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 11773 + ... + 491651.

Almost surely, 2120791302848 is an apocalyptic number.

120791302848 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 120791302848, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (190147651200).

120791302848 is an abundant number, since it is smaller than the sum of its proper divisors (259503999552).

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

120791302848 is a wasteful number, since it uses less digits than its factorization.

120791302848 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 479939 (or 479926 counting only the distinct ones).

The product of its (nonzero) digits is 193536, while the sum is 45.

Adding to 120791302848 its reverse (848203197021), we get a palindrome (968994499869).

The spelling of 120791302848 in words is "one hundred twenty billion, seven hundred ninety-one million, three hundred two thousand, eight hundred forty-eight".