Base | Representation |
---|---|
bin | 10110101110010111… |
… | …10001101001111000 |
3 | 1011111020200110111102 |
4 | 23113023301221320 |
5 | 144441212414000 |
6 | 5334334550532 |
7 | 611221222502 |
oct | 132713615170 |
9 | 34436613442 |
10 | 12200123000 |
11 | 51a0718a8a |
12 | 2445968448 |
13 | 11c5762ac0 |
14 | 83a432d72 |
15 | 4b61013d5 |
hex | 2d72f1a78 |
12200123000 has 128 divisors (see below), whose sum is σ = 31326160320. Its totient is φ = 4419417600.
The previous prime is 12200122993. The next prime is 12200123009. The reversal of 12200123000 is 32100221.
It is a happy number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (12200123009) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 680147 + ... + 697853.
Almost surely, 212200123000 is an apocalyptic number.
12200123000 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 12200123000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (15663080160).
12200123000 is an abundant number, since it is smaller than the sum of its proper divisors (19126037320).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
12200123000 is a wasteful number, since it uses less digits than its factorization.
12200123000 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 17794 (or 17780 counting only the distinct ones).
The product of its (nonzero) digits is 24, while the sum is 11.
Adding to 12200123000 its reverse (32100221), we get a palindrome (12232223221).
The spelling of 12200123000 in words is "twelve billion, two hundred million, one hundred twenty-three thousand".
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