Base | Representation |
---|---|
bin | 10001100111000000110… |
… | …110011011010010110110 |
3 | 11021200112102201120211202 |
4 | 101213000312123102312 |
5 | 124311312023200342 |
6 | 2323531055132502 |
7 | 153266635234466 |
oct | 21470066332266 |
9 | 4250472646752 |
10 | 1210121303222 |
11 | 427233a22aa7 |
12 | 176643214132 |
13 | 8a163467320 |
14 | 427da825ba6 |
15 | 2172855a332 |
hex | 119c0d9b4b6 |
1210121303222 has 16 divisors (see below), whose sum is σ = 1954830084480. Its totient is φ = 558512167872.
The previous prime is 1210121303221. The next prime is 1210121303243. The reversal of 1210121303222 is 2223031210121.
It is a junction number, because it is equal to n+sod(n) for n = 1210121303194 and 1210121303203.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (1210121303221) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4175354 + ... + 4455762.
It is an arithmetic number, because the mean of its divisors is an integer number (122176880280).
Almost surely, 21210121303222 is an apocalyptic number.
1210121303222 is a deficient number, since it is larger than the sum of its proper divisors (744708781258).
1210121303222 is a wasteful number, since it uses less digits than its factorization.
1210121303222 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 446407.
The product of its (nonzero) digits is 288, while the sum is 20.
Adding to 1210121303222 its reverse (2223031210121), we get a palindrome (3433152513343).
The spelling of 1210121303222 in words is "one trillion, two hundred ten billion, one hundred twenty-one million, three hundred three thousand, two hundred twenty-two".
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