Base | Representation |
---|---|
bin | 11101101101110001111… |
… | …00111001110010001110 |
3 | 10121121101221212022002122 |
4 | 32312320330321302032 |
5 | 113212012104102342 |
6 | 2101013504252542 |
7 | 133523404460144 |
oct | 16667074716216 |
9 | 3547357768078 |
10 | 1021010222222 |
11 | 36400a71a911 |
12 | 145a66311152 |
13 | 7538604c3b3 |
14 | 375ba97b594 |
15 | 1b85b0324d2 |
hex | edb8f39c8e |
1021010222222 has 64 divisors (see below), whose sum is σ = 1571125248000. Its totient is φ = 497559011040.
The previous prime is 1021010222213. The next prime is 1021010222269. The reversal of 1021010222222 is 2222220101201.
It is a happy number.
It is a self number, because there is not a number n which added to its sum of digits gives 1021010222222.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1704524279 + ... + 1704524877.
It is an arithmetic number, because the mean of its divisors is an integer number (24548832000).
Almost surely, 21021010222222 is an apocalyptic number.
1021010222222 is a deficient number, since it is larger than the sum of its proper divisors (550115025778).
1021010222222 is a wasteful number, since it uses less digits than its factorization.
1021010222222 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1301.
The product of its (nonzero) digits is 128, while the sum is 17.
Adding to 1021010222222 its reverse (2222220101201), we get a palindrome (3243230323423).
The spelling of 1021010222222 in words is "one trillion, twenty-one billion, ten million, two hundred twenty-two thousand, two hundred twenty-two".
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