Base | Representation |
---|---|
bin | 11100001010011110… |
… | …11110110110000000 |
3 | 1110000202120100120101 |
4 | 32011033132312000 |
5 | 221431301030422 |
6 | 10540213052144 |
7 | 1043460454036 |
oct | 160517366600 |
9 | 43022510511 |
10 | 15120330112 |
11 | 645a039898 |
12 | 2b1b927054 |
13 | 156c75a2c4 |
14 | a361c8556 |
15 | 5d7682c27 |
hex | 3853ded80 |
15120330112 has 128 divisors (see below), whose sum is σ = 32658278400. Its totient is φ = 6949877760.
The previous prime is 15120330107. The next prime is 15120330151. The reversal of 15120330112 is 21103302151.
15120330112 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a tau number, because it is divible by the number of its divisors (128).
It is a Harshad number since it is a multiple of its sum of digits (19).
It is a self number, because there is not a number n which added to its sum of digits gives 15120330112.
It is a congruent number.
It is an unprimeable number.
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, 19973638 + ... + 19974394.
It is an arithmetic number, because the mean of its divisors is an integer number (255142800).
Almost surely, 215120330112 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 15120330112, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (16329139200).
15120330112 is an abundant number, since it is smaller than the sum of its proper divisors (17537948288).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
15120330112 is a wasteful number, since it uses less digits than its factorization.
15120330112 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1024 (or 1012 counting only the distinct ones).
The product of its (nonzero) digits is 180, while the sum is 19.
Adding to 15120330112 its reverse (21103302151), we get a palindrome (36223632263).
The spelling of 15120330112 in words is "fifteen billion, one hundred twenty million, three hundred thirty thousand, one hundred twelve".
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