Base | Representation |
---|---|
bin | 10001110010000110010… |
… | …000010010101110010000 |
3 | 11022211020220010000211221 |
4 | 101302012100102232100 |
5 | 130010200410130000 |
6 | 2333220100414424 |
7 | 154200605135101 |
oct | 21620620225620 |
9 | 4284226100757 |
10 | 1222023130000 |
11 | 431291220682 |
12 | 178a050a7414 |
13 | 8b30c17798a |
14 | 432093aa3a8 |
15 | 21bc338761a |
hex | 11c86412b90 |
1222023130000 has 50 divisors (see below), whose sum is σ = 2958640224254. Its totient is φ = 488809248000.
The previous prime is 1222023129989. The next prime is 1222023130043. The reversal of 1222023130000 is 313202221.
It can be written as a sum of positive squares in 5 ways, for example, as 555853749136 + 666169380864 = 745556^2 + 816192^2 .
It is a tau number, because it is divible by the number of its divisors (50).
It is a Harshad number since it is a multiple of its sum of digits (16).
It is an unprimeable number.
It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 61091157 + ... + 61111156.
Almost surely, 21222023130000 is an apocalyptic number.
1222023130000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is an amenable number.
1222023130000 is an abundant number, since it is smaller than the sum of its proper divisors (1736617094254).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
1222023130000 is an equidigital number, since it uses as much as digits as its factorization.
1222023130000 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 122202341 (or 122202320 counting only the distinct ones).
The product of its (nonzero) digits is 144, while the sum is 16.
Adding to 1222023130000 its reverse (313202221), we get a palindrome (1222336332221).
The spelling of 1222023130000 in words is "one trillion, two hundred twenty-two billion, twenty-three million, one hundred thirty thousand".
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