Base | Representation |
---|---|
bin | 1011000110101101110011… |
… | …0110011011001110001110 |
3 | 1121020021011001110210011220 |
4 | 2301223130312123032032 |
5 | 3100022041042410110 |
6 | 41545110404224210 |
7 | 2400100145132160 |
oct | 261533466331616 |
9 | 47207131423156 |
10 | 12210002310030 |
11 | 3988261a98628 |
12 | 145246909b066 |
13 | 6a75240277b5 |
14 | 302d78264930 |
15 | 16292455c370 |
hex | b1adcd9b38e |
12210002310030 has 128 divisors (see below), whose sum is σ = 33645903814656. Its totient is φ = 2777904720000.
The previous prime is 12210002309993. The next prime is 12210002310043. The reversal of 12210002310030 is 3001320001221.
It is a Harshad number since it is a multiple of its sum of digits (15).
It is a junction number, because it is equal to n+sod(n) for n = 12210002309991 and 12210002310009.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 80623359 + ... + 80774661.
It is an arithmetic number, because the mean of its divisors is an integer number (262858623552).
Almost surely, 212210002310030 is an apocalyptic number.
12210002310030 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is a practical number, because each smaller number is the sum of distinct divisors of 12210002310030, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (16822951907328).
12210002310030 is an abundant number, since it is smaller than the sum of its proper divisors (21435901504626).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
12210002310030 is a wasteful number, since it uses less digits than its factorization.
12210002310030 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 153102.
The product of its (nonzero) digits is 72, while the sum is 15.
Adding to 12210002310030 its reverse (3001320001221), we get a palindrome (15211322311251).
The spelling of 12210002310030 in words is "twelve trillion, two hundred ten billion, two million, three hundred ten thousand, thirty".
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