Base | Representation |
---|---|
bin | 10110100010110101… |
… | …00010100011110000 |
3 | 1011020111112212111200 |
4 | 23101122202203300 |
5 | 144241423030112 |
6 | 5321000211200 |
7 | 605634415323 |
oct | 132132424360 |
9 | 34214485450 |
10 | 12103330032 |
11 | 5151017aa2 |
12 | 2419469b00 |
13 | 11ab6a2c61 |
14 | 82b6387ba |
15 | 4ac881cdc |
hex | 2d16a28f0 |
12103330032 has 120 divisors (see below), whose sum is σ = 35122127040. Its totient is φ = 3886256640.
The previous prime is 12103330021. The next prime is 12103330091. The reversal of 12103330032 is 23003330121.
It is a Harshad number since it is a multiple of its sum of digits (18).
It is a junction number, because it is equal to n+sod(n) for n = 12103329987 and 12103330014.
It is a congruent number.
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, 1921993 + ... + 1928279.
It is an arithmetic number, because the mean of its divisors is an integer number (292684392).
Almost surely, 212103330032 is an apocalyptic number.
12103330032 is a gapful number since it is divisible by the number (12) 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 12103330032, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (17561063520).
12103330032 is an abundant number, since it is smaller than the sum of its proper divisors (23018797008).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
12103330032 is a wasteful number, since it uses less digits than its factorization.
12103330032 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 6791 (or 6782 counting only the distinct ones).
The product of its (nonzero) digits is 324, while the sum is 18.
Adding to 12103330032 its reverse (23003330121), we get a palindrome (35106660153).
The spelling of 12103330032 in words is "twelve billion, one hundred three million, three hundred thirty thousand, thirty-two".
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