Base | Representation |
---|---|
bin | 1011110000111000111… |
… | …0010101110010110111 |
3 | 201022122211202121000100 |
4 | 2330032032111302313 |
5 | 11302401114300343 |
6 | 232502221245143 |
7 | 20413164350556 |
oct | 2741616256267 |
9 | 638584677010 |
10 | 202102103223 |
11 | 78790406499 |
12 | 332037037b3 |
13 | 1609a995437 |
14 | 9ad3357d9d |
15 | 53ccca49d3 |
hex | 2f0e395cb7 |
202102103223 has 12 divisors (see below), whose sum is σ = 294815610648. Its totient is φ = 133400727600.
The previous prime is 202102103179. The next prime is 202102103249. The reversal of 202102103223 is 322301201202.
202102103223 is a `hidden beast` number, since 20 + 210 + 210 + 3 + 223 = 666.
It is not a de Polignac number, because 202102103223 - 28 = 202102102967 is a prime.
It is a super-4 number, since 4×2021021032234 (a number of 46 digits) contains 4444 as substring.
It is a junction number, because it is equal to n+sod(n) for n = 202102103196 and 202102103205.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (202102103263) by changing a digit.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 111166365 + ... + 111168182.
It is an arithmetic number, because the mean of its divisors is an integer number (24567967554).
Almost surely, 2202102103223 is an apocalyptic number.
202102103223 is a deficient number, since it is larger than the sum of its proper divisors (92713507425).
202102103223 is a wasteful number, since it uses less digits than its factorization.
202102103223 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 222334654 (or 222334651 counting only the distinct ones).
The product of its (nonzero) digits is 288, while the sum is 18.
Adding to 202102103223 its reverse (322301201202), we get a palindrome (524403304425).
The spelling of 202102103223 in words is "two hundred two billion, one hundred two million, one hundred three thousand, two hundred twenty-three".
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