Base | Representation |
---|---|
bin | 11110111000011000010… |
… | …101000100010101101001 |
3 | 21111212120022222020221022 |
4 | 132320120111010111221 |
5 | 234232101214121301 |
6 | 4302520035422225 |
7 | 306214106356211 |
oct | 36703025042551 |
9 | 7455508866838 |
10 | 2122122020201 |
11 | 748a94614107 |
12 | 2a3346454975 |
13 | 1251662793a1 |
14 | 749d5975241 |
15 | 3a3043e9d1b |
hex | 1ee18544569 |
2122122020201 has 16 divisors (see below), whose sum is σ = 2173391561088. Its totient is φ = 2071286380800.
The previous prime is 2122122020191. The next prime is 2122122020237. The reversal of 2122122020201 is 1020202212212.
It is a happy number.
It is a cyclic number.
It is not a de Polignac number, because 2122122020201 - 210 = 2122122019177 is a prime.
It is a Duffinian number.
It is a self number, because there is not a number n which added to its sum of digits gives 2122122020201.
It is not an unprimeable number, because it can be changed into a prime (2122122020801) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 12265586 + ... + 12437396.
It is an arithmetic number, because the mean of its divisors is an integer number (135836972568).
Almost surely, 22122122020201 is an apocalyptic number.
It is an amenable number.
2122122020201 is a deficient number, since it is larger than the sum of its proper divisors (51269540887).
2122122020201 is a wasteful number, since it uses less digits than its factorization.
2122122020201 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 173072.
The product of its (nonzero) digits is 128, while the sum is 17.
Adding to 2122122020201 its reverse (1020202212212), we get a palindrome (3142324232413).
The spelling of 2122122020201 in words is "two trillion, one hundred twenty-two billion, one hundred twenty-two million, twenty thousand, two hundred one".
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