Base | Representation |
---|---|
bin | 11011101111101000111011… |
… | …000101001101110001011110 |
3 | 121000001002120010121021102100 |
4 | 123233220323011031301132 |
5 | 111443143013044232423 |
6 | 1111303402404105530 |
7 | 34462504300463424 |
oct | 3357507305156136 |
9 | 530032503537370 |
10 | 122021012102238 |
11 | 35974903283447 |
12 | 118285a60952a6 |
13 | 53116bbc52522 |
14 | 221bbc43c3114 |
15 | e190a7171343 |
hex | 6efa3b14dc5e |
122021012102238 has 96 divisors (see below), whose sum is σ = 270872571340800. Its totient is φ = 39677069315520.
The previous prime is 122021012102237. The next prime is 122021012102321. The reversal of 122021012102238 is 832201210120221.
122021012102238 is a `hidden beast` number, since 1 + 2 + 2 + 0 + 210 + 1 + 210 + 2 + 238 = 666.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (122021012102237) by changing a digit.
It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 5170589163 + ... + 5170612761.
It is an arithmetic number, because the mean of its divisors is an integer number (2821589284800).
Almost surely, 2122021012102238 is an apocalyptic number.
122021012102238 is a gapful number since it is divisible by the number (18) formed by its first and last digit.
122021012102238 is an abundant number, since it is smaller than the sum of its proper divisors (148851559238562).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
122021012102238 is a wasteful number, since it uses less digits than its factorization.
122021012102238 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 31894 (or 31891 counting only the distinct ones).
The product of its (nonzero) digits is 1536, while the sum is 27.
Adding to 122021012102238 its reverse (832201210120221), we get a palindrome (954222222222459).
The spelling of 122021012102238 in words is "one hundred twenty-two trillion, twenty-one billion, twelve million, one hundred two thousand, two hundred thirty-eight".
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