Base | Representation |
---|---|
bin | 10110100010110011… |
… | …01100111010110000 |
3 | 1011020111010201010012 |
4 | 23101121230322300 |
5 | 144241344012240 |
6 | 5320551354052 |
7 | 605632511630 |
oct | 132131547260 |
9 | 34214121105 |
10 | 12103110320 |
11 | 5150987a14 |
12 | 2419382928 |
13 | 11ab626c52 |
14 | 82b5bc6c0 |
15 | 4ac83bb65 |
hex | 2d166ceb0 |
12103110320 has 80 divisors (see below), whose sum is σ = 32240490048. Its totient is φ = 4139212800.
The previous prime is 12103110311. The next prime is 12103110359. The reversal of 12103110320 is 2301130121.
12103110320 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 (80).
It is a Harshad number since it is a multiple of its sum of digits (14).
It is a junction number, because it is equal to n+sod(n) for n = 12103110295 and 12103110304.
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, 197612 + ... + 251508.
Almost surely, 212103110320 is an apocalyptic number.
12103110320 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 12103110320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (16120245024).
12103110320 is an abundant number, since it is smaller than the sum of its proper divisors (20137379728).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
12103110320 is a wasteful number, since it uses less digits than its factorization.
12103110320 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 54318 (or 54312 counting only the distinct ones).
The product of its (nonzero) digits is 36, while the sum is 14.
Adding to 12103110320 its reverse (2301130121), we get a palindrome (14404240441).
The spelling of 12103110320 in words is "twelve billion, one hundred three million, one hundred ten thousand, three hundred twenty".
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