Base | Representation |
---|---|
bin | 111000110110111011… |
… | …0111110011001110000 |
3 | 102200011111212001111212 |
4 | 1301231312332121300 |
5 | 4000031131242313 |
6 | 132032030055252 |
7 | 11551543451654 |
oct | 1615566763160 |
9 | 380144761455 |
10 | 122102212208 |
11 | 47868574289 |
12 | 1b7b794a528 |
13 | b68b89b112 |
14 | 5ca460aa64 |
15 | 32998083a8 |
hex | 1c6ddbe670 |
122102212208 has 20 divisors (see below), whose sum is σ = 236594393448. Its totient is φ = 61045594560.
The previous prime is 122102212201. The next prime is 122102212231. The reversal of 122102212208 is 802212201221.
It is a happy number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (122102212201) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 158666 + ... + 519017.
Almost surely, 2122102212208 is an apocalyptic number.
It is an amenable number.
122102212208 is a deficient number, since it is larger than the sum of its proper divisors (114492181240).
122102212208 is a wasteful number, since it uses less digits than its factorization.
122102212208 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 688952 (or 688946 counting only the distinct ones).
The product of its (nonzero) digits is 512, while the sum is 23.
Adding to 122102212208 its reverse (802212201221), we get a palindrome (924314413429).
The spelling of 122102212208 in words is "one hundred twenty-two billion, one hundred two million, two hundred twelve thousand, two hundred eight".
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