Base | Representation |
---|---|
bin | 1010000110011101010011… |
… | …01001111001011010110100 |
3 | 2220122110100222200122002012 |
4 | 11003032221221321122310 |
5 | 10402410411242021322 |
6 | 115124035202303352 |
7 | 4451526044446601 |
oct | 503165151713264 |
9 | 86573328618065 |
10 | 22212122220212 |
11 | 7094120a19531 |
12 | 25a8a36957b58 |
13 | c51795422432 |
14 | 56b102b436a8 |
15 | 287bc564bae2 |
hex | 1433a9a796b4 |
22212122220212 has 48 divisors (see below), whose sum is σ = 39415291009920. Its totient is φ = 10951143143808.
The previous prime is 22212122220179. The next prime is 22212122220227. The reversal of 22212122220212 is 21202222121222.
It is a congruent number.
It is an unprimeable number.
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, 441278198 + ... + 441328530.
It is an arithmetic number, because the mean of its divisors is an integer number (821151896040).
Almost surely, 222212122220212 is an apocalyptic number.
It is an amenable number.
22212122220212 is a deficient number, since it is larger than the sum of its proper divisors (17203168789708).
22212122220212 is a wasteful number, since it uses less digits than its factorization.
22212122220212 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 52952 (or 52950 counting only the distinct ones).
The product of its (nonzero) digits is 1024, while the sum is 23.
Adding to 22212122220212 its reverse (21202222121222), we get a palindrome (43414344341434).
The spelling of 22212122220212 in words is "twenty-two trillion, two hundred twelve billion, one hundred twenty-two million, two hundred twenty thousand, two hundred twelve".
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