Base | Representation |
---|---|
bin | 101111111110011110001100… |
… | …111000100111011000100100 |
3 | 1000200002112000221200212210000 |
4 | 233332132030320213120210 |
5 | 210124021000313032322 |
6 | 2024432342340501300 |
7 | 62305222660404615 |
oct | 5776361470473044 |
9 | 1020075027625700 |
10 | 211001222002212 |
11 | 61260130036644 |
12 | 1b7b954a3aa830 |
13 | 909743990bc65 |
14 | 3a167295b5c0c |
15 | 195d95cb7d3ac |
hex | bfe78ce27624 |
211001222002212 has 60 divisors (see below), whose sum is σ = 551600431782400. Its totient is φ = 70333541981424.
The previous prime is 211001222002177. The next prime is 211001222002231. The reversal of 211001222002212 is 212200222100112.
It is a happy number.
211001222002212 is a `hidden beast` number, since 21 + 100 + 122 + 200 + 221 + 2 = 666.
It is a super-2 number, since 2×2110012220022122 (a number of 29 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 19 ways as a sum of consecutive naturals, for example, 154320633 + ... + 155681919.
Almost surely, 2211001222002212 is an apocalyptic number.
It is an amenable number.
211001222002212 is an abundant number, since it is smaller than the sum of its proper divisors (340599209780188).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
211001222002212 is a wasteful number, since it uses less digits than its factorization.
211001222002212 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1839702 (or 1839691 counting only the distinct ones).
The product of its (nonzero) digits is 128, while the sum is 18.
Adding to 211001222002212 its reverse (212200222100112), we get a palindrome (423201444102324).
The spelling of 211001222002212 in words is "two hundred eleven trillion, one billion, two hundred twenty-two million, two thousand, two hundred twelve".
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