Base | Representation |
---|---|
bin | 10001110010010010000… |
… | …110111111111001110010 |
3 | 11022211202202100200221000 |
4 | 101302102012333321302 |
5 | 130011102314121320 |
6 | 2333251523342430 |
7 | 154205541520662 |
oct | 21622206777162 |
9 | 4284682320830 |
10 | 1222222020210 |
11 | 431383515854 |
12 | 178a5b821a16 |
13 | 8b341433aa9 |
14 | 432279801a2 |
15 | 21bd5a72c90 |
hex | 11c921bfe72 |
1222222020210 has 32 divisors (see below), whose sum is σ = 3259258721280. Its totient is φ = 325925871984.
The previous prime is 1222222020209. The next prime is 1222222020223. The reversal of 1222222020210 is 120202222221.
1222222020210 is a `hidden beast` number, since 12 + 222 + 220 + 2 + 0 + 210 = 666.
It is a Harshad number since it is a multiple of its sum of digits (18).
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2263373842 + ... + 2263374381.
It is an arithmetic number, because the mean of its divisors is an integer number (101851835040).
Almost surely, 21222222020210 is an apocalyptic number.
1222222020210 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
1222222020210 is an abundant number, since it is smaller than the sum of its proper divisors (2037036701070).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
1222222020210 is a wasteful number, since it uses less digits than its factorization.
1222222020210 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 4526748239 (or 4526748233 counting only the distinct ones).
The product of its (nonzero) digits is 256, while the sum is 18.
Adding to 1222222020210 its reverse (120202222221), we get a palindrome (1342424242431).
The spelling of 1222222020210 in words is "one trillion, two hundred twenty-two billion, two hundred twenty-two million, twenty thousand, two hundred ten".
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