Base | Representation |
---|---|
bin | 11110111000011110001… |
… | …010111000001010110010 |
3 | 21111212211011100202200222 |
4 | 132320132022320022302 |
5 | 234232301310342320 |
6 | 4302533500013042 |
7 | 306216406316204 |
oct | 36703612701262 |
9 | 7455734322628 |
10 | 2122220012210 |
11 | 749034963a41 |
12 | 2a3373231182 |
13 | 125180668c1c |
14 | 74a049a2774 |
15 | 3a30cd04825 |
hex | 1ee1e2b82b2 |
2122220012210 has 16 divisors (see below), whose sum is σ = 3821763759192. Its totient is φ = 848495174400.
The previous prime is 2122220012203. The next prime is 2122220012251. The reversal of 2122220012210 is 122100222212.
It is a happy number.
It can be written as a sum of positive squares in 4 ways, for example, as 1336814626849 + 785405385361 = 1156207^2 + 886231^2 .
It is a super-3 number, since 3×21222200122103 (a number of 38 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 49081121 + ... + 49124340.
Almost surely, 22122220012210 is an apocalyptic number.
2122220012210 is a deficient number, since it is larger than the sum of its proper divisors (1699543746982).
2122220012210 is a wasteful number, since it uses less digits than its factorization.
2122220012210 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 98207629.
The product of its (nonzero) digits is 128, while the sum is 17.
Adding to 2122220012210 its reverse (122100222212), we get a palindrome (2244320234422).
The spelling of 2122220012210 in words is "two trillion, one hundred twenty-two billion, two hundred twenty million, twelve thousand, two hundred ten".
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