Base | Representation |
---|---|
bin | 1010000110011101011110… |
… | …00000011101011100010010 |
3 | 2220122110121020122222121200 |
4 | 11003032233000131130102 |
5 | 10402411102234133020 |
6 | 115124052131132030 |
7 | 4451531214652524 |
oct | 503165700353422 |
9 | 86573536588550 |
10 | 22212212021010 |
11 | 7094167684170 |
12 | 25a8a60a44016 |
13 | c517aac047bb |
14 | 56b110a3ba14 |
15 | 287bcd489590 |
hex | 1433af01d712 |
22212212021010 has 96 divisors (see below), whose sum is σ = 63036324074880. Its totient is φ = 5381837337600.
The previous prime is 22212212020981. The next prime is 22212212021099. The reversal of 22212212021010 is 1012021221222.
It is a happy number.
22212212021010 is a `hidden beast` number, since 2 + 221 + 221 + 2 + 0 + 210 + 10 = 666.
It is a super-2 number, since 2×222122120210102 (a number of 27 digits) contains 22 as substring.
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 47 ways as a sum of consecutive naturals, for example, 4314175 + ... + 7939554.
It is an arithmetic number, because the mean of its divisors is an integer number (656628375780).
Almost surely, 222212212021010 is an apocalyptic number.
22212212021010 is an abundant number, since it is smaller than the sum of its proper divisors (40824112053870).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
22212212021010 is a wasteful number, since it uses less digits than its factorization.
22212212021010 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 12255584 (or 12255581 counting only the distinct ones).
The product of its (nonzero) digits is 128, while the sum is 18.
Adding to 22212212021010 its reverse (1012021221222), we get a palindrome (23224233242232).
The spelling of 22212212021010 in words is "twenty-two trillion, two hundred twelve billion, two hundred twelve million, twenty-one thousand, ten".
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