Base | Representation |
---|---|
bin | 11110111000010001110… |
… | …010001011001101010001 |
3 | 21111212021200100022122212 |
4 | 132320101302023031101 |
5 | 234231340111210001 |
6 | 4302501114041505 |
7 | 306211304114645 |
oct | 36702162131521 |
9 | 7455250308585 |
10 | 2122012210001 |
11 | 748a38632082 |
12 | 2a3315719295 |
13 | 1251495ac538 |
14 | 749c514cc25 |
15 | 3a2e99587bb |
hex | 1ee11c8b351 |
2122012210001 has 2 divisors, whose sum is σ = 2122012210002. Its totient is φ = 2122012210000.
The previous prime is 2122012209953. The next prime is 2122012210007. The reversal of 2122012210001 is 1000122102212.
It is a strong prime.
It can be written as a sum of positive squares in only one way, i.e., 1717292307025 + 404719902976 = 1310455^2 + 636176^2 .
It is a cyclic number.
It is not a de Polignac number, because 2122012210001 - 214 = 2122012193617 is a prime.
It is not a weakly prime, because it can be changed into another prime (2122012210007) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1061006105000 + 1061006105001.
It is an arithmetic number, because the mean of its divisors is an integer number (1061006105001).
Almost surely, 22122012210001 is an apocalyptic number.
It is an amenable number.
2122012210001 is a deficient number, since it is larger than the sum of its proper divisors (1).
2122012210001 is an equidigital number, since it uses as much as digits as its factorization.
2122012210001 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 32, while the sum is 14.
Adding to 2122012210001 its reverse (1000122102212), we get a palindrome (3122134312213).
The spelling of 2122012210001 in words is "two trillion, one hundred twenty-two billion, twelve million, two hundred ten thousand, one".
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