Base | Representation |
---|---|
bin | 101111101001110001… |
… | …1000110100010101101 |
3 | 100210010210102111012200 |
4 | 1133103203012202231 |
5 | 3134034330122341 |
6 | 115002240452113 |
7 | 10251626623023 |
oct | 1372343064255 |
9 | 323123374180 |
10 | 102333442221 |
11 | 3a44361884a |
12 | 179bb31a039 |
13 | 985b09359a |
14 | 4d4ad16713 |
15 | 29de014db6 |
hex | 17d38c68ad |
102333442221 has 24 divisors (see below), whose sum is σ = 148317099840. Its totient is φ = 67990876800.
The previous prime is 102333442219. The next prime is 102333442279. The reversal of 102333442221 is 122244333201.
102333442221 is a `hidden beast` number, since 1 + 0 + 233 + 3 + 4 + 422 + 2 + 1 = 666.
It is not a de Polignac number, because 102333442221 - 21 = 102333442219 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (102333442621) by changing a digit.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3874741 + ... + 3901061.
It is an arithmetic number, because the mean of its divisors is an integer number (6179879160).
Almost surely, 2102333442221 is an apocalyptic number.
It is an amenable number.
102333442221 is a deficient number, since it is larger than the sum of its proper divisors (45983657619).
102333442221 is a wasteful number, since it uses less digits than its factorization.
102333442221 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 27777 (or 27774 counting only the distinct ones).
The product of its (nonzero) digits is 6912, while the sum is 27.
Adding to 102333442221 its reverse (122244333201), we get a palindrome (224577775422).
The spelling of 102333442221 in words is "one hundred two billion, three hundred thirty-three million, four hundred forty-two thousand, two hundred twenty-one".
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