Base | Representation |
---|---|
bin | 111000001111110111… |
… | …0010001101100011000 |
3 | 102112210011011021111011 |
4 | 1300133232101230120 |
5 | 3434340033342310 |
6 | 131254000543304 |
7 | 11504215120651 |
oct | 1603756215430 |
9 | 375704137434 |
10 | 120791309080 |
11 | 472555aa372 |
12 | 1b4b0921b34 |
13 | b5101164b0 |
14 | 5bbc48c528 |
15 | 321e6b278a |
hex | 1c1fb91b18 |
120791309080 has 128 divisors (see below), whose sum is σ = 311555160000. Its totient is φ = 41777455104.
The previous prime is 120791309033. The next prime is 120791309141. The reversal of 120791309080 is 80903197021.
It is a Harshad number since it is a multiple of its sum of digits (40).
It is a congruent number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 810636 + ... + 948004.
Almost surely, 2120791309080 is an apocalyptic number.
120791309080 is a gapful number since it is divisible by the number (10) 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 120791309080, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (155777580000).
120791309080 is an abundant number, since it is smaller than the sum of its proper divisors (190763850920).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
120791309080 is a wasteful number, since it uses less digits than its factorization.
120791309080 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 137501 (or 137497 counting only the distinct ones).
The product of its (nonzero) digits is 27216, while the sum is 40.
The spelling of 120791309080 in words is "one hundred twenty billion, seven hundred ninety-one million, three hundred nine thousand, eighty".
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