Base | Representation |
---|---|
bin | 110111111101001000… |
… | …1110001001010000000 |
3 | 102111011101000212112102 |
4 | 1233322101301022000 |
5 | 3432043222010114 |
6 | 131111355445532 |
7 | 11452516213520 |
oct | 1577221611200 |
9 | 374141025472 |
10 | 120163078784 |
11 | 46a62a1a681 |
12 | 1b3564568a8 |
13 | b43cc152a8 |
14 | 5b5cc77680 |
15 | 31d446a2de |
hex | 1bfa471280 |
120163078784 has 128 divisors (see below), whose sum is σ = 276318000000. Its totient is φ = 50986487808.
The previous prime is 120163078781. The next prime is 120163078813. The reversal of 120163078784 is 487870361021.
It is a happy number.
It is a tau number, because it is divible by the number of its divisors (128).
It is not an unprimeable number, because it can be changed into a prime (120163078781) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 46591607 + ... + 46594185.
It is an arithmetic number, because the mean of its divisors is an integer number (2158734375).
Almost surely, 2120163078784 is an apocalyptic number.
120163078784 is a gapful number since it is divisible by the number (14) 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 120163078784, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (138159000000).
120163078784 is an abundant number, since it is smaller than the sum of its proper divisors (156154921216).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
120163078784 is a wasteful number, since it uses less digits than its factorization.
120163078784 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 3098 (or 3086 counting only the distinct ones).
The product of its (nonzero) digits is 451584, while the sum is 47.
The spelling of 120163078784 in words is "one hundred twenty billion, one hundred sixty-three million, seventy-eight thousand, seven hundred eighty-four".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.100 sec. • engine limits •