Base | Representation |
---|---|
bin | 101111101001101111… |
… | …0000011111110111101 |
3 | 100210010200221100212100 |
4 | 1133103132003332331 |
5 | 3134034010333041 |
6 | 115002152255313 |
7 | 10251612451104 |
oct | 1372336037675 |
9 | 323120840770 |
10 | 102332121021 |
11 | 3a4428a6149 |
12 | 179ba9a1539 |
13 | 985aa20100 |
14 | 4d4aa9103b |
15 | 29ddd536b6 |
hex | 17d3783fbd |
102332121021 has 36 divisors (see below), whose sum is σ = 162250683348. Its totient is φ = 62110893312.
The previous prime is 102332121007. The next prime is 102332121029. The reversal of 102332121021 is 120121233201.
102332121021 is a `hidden beast` number, since 102 + 332 + 1 + 210 + 21 = 666.
It can be written as a sum of positive squares in 6 ways, for example, as 13921640100 + 88410480921 = 117990^2 + 297339^2 .
It is not a de Polignac number, because 102332121021 - 219 = 102331596733 is a prime.
It is a junction number, because it is equal to n+sod(n) for n = 102332120985 and 102332121003.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (102332121029) by changing a digit.
It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 349786 + ... + 571851.
Almost surely, 2102332121021 is an apocalyptic number.
It is an amenable number.
102332121021 is a deficient number, since it is larger than the sum of its proper divisors (59918562327).
102332121021 is a wasteful number, since it uses less digits than its factorization.
102332121021 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 921742 (or 921726 counting only the distinct ones).
The product of its (nonzero) digits is 144, while the sum is 18.
Adding to 102332121021 its reverse (120121233201), we get a palindrome (222453354222).
The spelling of 102332121021 in words is "one hundred two billion, three hundred thirty-two million, one hundred twenty-one thousand, twenty-one".
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