Base | Representation |
---|---|
bin | 10001110011001101000… |
… | …111100011110011110110 |
3 | 11022221022202020001111010 |
4 | 101303031013203303312 |
5 | 130020114234214110 |
6 | 2333534050453050 |
7 | 154242222433404 |
oct | 21631507436366 |
9 | 4287282201433 |
10 | 1223212023030 |
11 | 4318413305a8 |
12 | 179097294186 |
13 | 8b46b58078a |
14 | 432bd248474 |
15 | 21c4292c020 |
hex | 11ccd1e3cf6 |
1223212023030 has 32 divisors (see below), whose sum is σ = 2985466636800. Its totient is φ = 320661230432.
The previous prime is 1223212023017. The next prime is 1223212023109. The reversal of 1223212023030 is 303202123221.
It is a happy number.
It is a junction number, because it is equal to n+sod(n) for n = 1223212022988 and 1223212023006.
It is a congruent number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (23) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 345538350 + ... + 345541889.
It is an arithmetic number, because the mean of its divisors is an integer number (93295832400).
Almost surely, 21223212023030 is an apocalyptic number.
1223212023030 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
1223212023030 is an abundant number, since it is smaller than the sum of its proper divisors (1762254613770).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
1223212023030 is a wasteful number, since it uses less digits than its factorization.
1223212023030 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 691080308.
The product of its (nonzero) digits is 864, while the sum is 21.
Adding to 1223212023030 its reverse (303202123221), we get a palindrome (1526414146251).
The spelling of 1223212023030 in words is "one trillion, two hundred twenty-three billion, two hundred twelve million, twenty-three thousand, thirty".
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