Base | Representation |
---|---|
bin | 110000010000001101011101… |
… | …101100100000101111110011 |
3 | 1000211102001102200202121000201 |
4 | 300100031131230200233303 |
5 | 210304003432424342321 |
6 | 2031204340415300031 |
7 | 62462255263132420 |
oct | 6020153554405763 |
9 | 1024361380677021 |
10 | 212220201012211 |
11 | 616900999a1867 |
12 | 1b975843b1a617 |
13 | 91553821c54a2 |
14 | 3a59726572d47 |
15 | 1980503b59291 |
hex | c1035db20bf3 |
212220201012211 has 16 divisors (see below), whose sum is σ = 246731195508480. Its totient is φ = 178759737747360.
The previous prime is 212220201012161. The next prime is 212220201012227. The reversal of 212220201012211 is 112210102022212.
It is not a de Polignac number, because 212220201012211 - 219 = 212220200487923 is a prime.
It is a super-2 number, since 2×2122202010122112 (a number of 29 digits) contains 22 as substring.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (212220201012011) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (23) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 85250656 + ... + 87704701.
It is an arithmetic number, because the mean of its divisors is an integer number (15420699719280).
Almost surely, 2212220201012211 is an apocalyptic number.
212220201012211 is a deficient number, since it is larger than the sum of its proper divisors (34510994496269).
212220201012211 is a wasteful number, since it uses less digits than its factorization.
212220201012211 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 172958394.
The product of its (nonzero) digits is 128, while the sum is 19.
Adding to 212220201012211 its reverse (112210102022212), we get a palindrome (324430303034423).
The spelling of 212220201012211 in words is "two hundred twelve trillion, two hundred twenty billion, two hundred one million, twelve thousand, two hundred eleven".
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