Base | Representation |
---|---|
bin | 1011000000100000011000… |
… | …0101110010100011011010 |
3 | 1120212001210011220222221200 |
4 | 2300020012011302203122 |
5 | 3041300044411134320 |
6 | 41424104412415030 |
7 | 2356302360501105 |
oct | 260100605624332 |
9 | 46761704828850 |
10 | 12103320021210 |
11 | 3946a97689a90 |
12 | 1435855477476 |
13 | 69a451ca1602 |
14 | 2dbb3794b73c |
15 | 15ec7d865290 |
hex | b02061728da |
12103320021210 has 192 divisors, whose sum is σ = 36790164852480. Its totient is φ = 2730713610240.
The previous prime is 12103320021151. The next prime is 12103320021217. The reversal of 12103320021210 is 1212002330121.
12103320021210 is a `hidden beast` number, since 1 + 210 + 33 + 200 + 212 + 10 = 666.
It is a Harshad number since it is a multiple of its sum of digits (18).
It is not an unprimeable number, because it can be changed into a prime (12103320021217) 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 95 ways as a sum of consecutive naturals, for example, 6340575 + ... + 8025554.
It is an arithmetic number, because the mean of its divisors is an integer number (191615441940).
Almost surely, 212103320021210 is an apocalyptic number.
12103320021210 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
12103320021210 is an abundant number, since it is smaller than the sum of its proper divisors (24686844831270).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
12103320021210 is a wasteful number, since it uses less digits than its factorization.
12103320021210 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 14366213 (or 14366210 counting only the distinct ones).
The product of its (nonzero) digits is 144, while the sum is 18.
Adding to 12103320021210 its reverse (1212002330121), we get a palindrome (13315322351331).
The spelling of 12103320021210 in words is "twelve trillion, one hundred three billion, three hundred twenty million, twenty-one thousand, two hundred ten".
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