Base | Representation |
---|---|
bin | 11110110111100111111… |
… | …100001110100101101110 |
3 | 21111210110202101122000202 |
4 | 132313213330032211232 |
5 | 234223420402432342 |
6 | 4302303315353502 |
7 | 306155021132021 |
oct | 36674774164556 |
9 | 7453422348022 |
10 | 2121310202222 |
11 | 748708341262 |
12 | 2a315a5b2892 |
13 | 125067019313 |
14 | 74959c111b8 |
15 | 3a2a7edb332 |
hex | 1ede7f0e96e |
2121310202222 has 32 divisors (see below), whose sum is σ = 3336729292800. Its totient is φ = 1010203790400.
The previous prime is 2121310202197. The next prime is 2121310202237. The reversal of 2121310202222 is 2222020131212.
It is a super-2 number, since 2×21213102022222 (a number of 25 digits) contains 22 as substring.
It is a junction number, because it is equal to n+sod(n) for n = 2121310202194 and 2121310202203.
It is a congruent number.
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, 2081279 + ... + 2928197.
It is an arithmetic number, because the mean of its divisors is an integer number (104272790400).
Almost surely, 22121310202222 is an apocalyptic number.
2121310202222 is a deficient number, since it is larger than the sum of its proper divisors (1215419090578).
2121310202222 is a wasteful number, since it uses less digits than its factorization.
2121310202222 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 847592.
The product of its (nonzero) digits is 384, while the sum is 20.
Adding to 2121310202222 its reverse (2222020131212), we get a palindrome (4343330333434).
The spelling of 2121310202222 in words is "two trillion, one hundred twenty-one billion, three hundred ten million, two hundred two thousand, two hundred twenty-two".
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