Base | Representation |
---|---|
bin | 1011000110001001101111… |
… | …1010111001110000000100 |
3 | 1121012100011111012102011200 |
4 | 2301202123322321300010 |
5 | 3044342230143430040 |
6 | 41540430115502500 |
7 | 2366305243455006 |
oct | 261423372716004 |
9 | 47170144172150 |
10 | 12200323030020 |
11 | 398414531a264 |
12 | 14506075b7a30 |
13 | 6a6640911188 |
14 | 3026da94a376 |
15 | 162559902630 |
hex | b189beb9c04 |
12200323030020 has 288 divisors, whose sum is σ = 38817277384704. Its totient is φ = 3097921075200.
The previous prime is 12200323030019. The next prime is 12200323030057. The reversal of 12200323030020 is 2003032300221.
It is a happy number.
12200323030020 is a `hidden beast` number, since 1 + 2 + 20 + 0 + 323 + 0 + 300 + 20 = 666.
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 = 12200323029975 and 12200323030002.
It is an unprimeable number.
It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 171454569 + ... + 171525711.
Almost surely, 212200323030020 is an apocalyptic number.
12200323030020 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 12200323030020, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (19408638692352).
12200323030020 is an abundant number, since it is smaller than the sum of its proper divisors (26616954354684).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
12200323030020 is a wasteful number, since it uses less digits than its factorization.
12200323030020 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 71683 (or 71678 counting only the distinct ones).
The product of its (nonzero) digits is 432, while the sum is 18.
Adding to 12200323030020 its reverse (2003032300221), we get a palindrome (14203355330241).
The spelling of 12200323030020 in words is "twelve trillion, two hundred billion, three hundred twenty-three million, thirty thousand, twenty".
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