Base | Representation |
---|---|
bin | 10001110010010001101… |
… | …001100101100001110000 |
3 | 11022211202012211222111200 |
4 | 101302101221211201300 |
5 | 130011043330410000 |
6 | 2333251050211200 |
7 | 154205416136145 |
oct | 21622151454160 |
9 | 4284665758450 |
10 | 1222214310000 |
11 | 43137a129a82 |
12 | 178a59123b00 |
13 | 8b33c964538 |
14 | 432269343cc |
15 | 21bd504d500 |
hex | 11c91a65870 |
1222214310000 has 300 divisors, whose sum is σ = 4277047662888. Its totient is φ = 325711296000.
The previous prime is 1222214309977. The next prime is 1222214310011. The reversal of 1222214310000 is 134122221.
It is a happy number.
1222214310000 is a `hidden beast` number, since 12 + 2 + 221 + 431 + 0 + 0 + 0 + 0 = 666.
It is a tau number, because it is divible by the number of its divisors (300).
It is a super-2 number, since 2×12222143100002 (a number of 25 digits) contains 22 as substring.
It is a Harshad number since it is a multiple of its sum of digits (18).
It is a congruent number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 59 ways as a sum of consecutive naturals, for example, 177566559 + ... + 177573441.
Almost surely, 21222214310000 is an apocalyptic number.
1222214310000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 1222214310000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2138523831444).
1222214310000 is an abundant number, since it is smaller than the sum of its proper divisors (3054833352888).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
1222214310000 is a wasteful number, since it uses less digits than its factorization.
1222214310000 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 8890 (or 8866 counting only the distinct ones).
The product of its (nonzero) digits is 192, while the sum is 18.
Adding to 1222214310000 its reverse (134122221), we get a palindrome (1222348432221).
The spelling of 1222214310000 in words is "one trillion, two hundred twenty-two billion, two hundred fourteen million, three hundred ten thousand".
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