Base | Representation |
---|---|
bin | 1011110000111101001… |
… | …1110011100101111101 |
3 | 201022201010000202102102 |
4 | 2330033103303211331 |
5 | 11302420300010323 |
6 | 232504111434445 |
7 | 20413505213120 |
oct | 2741723634575 |
9 | 638633022372 |
10 | 202120313213 |
11 | 7879a713975 |
12 | 33209825a25 |
13 | 160a169cb90 |
14 | 9ad59383b7 |
15 | 53ce6a0328 |
hex | 2f0f4f397d |
202120313213 has 16 divisors (see below), whose sum is σ = 263396609280. Its totient is φ = 150512345856.
The previous prime is 202120313207. The next prime is 202120313221. The reversal of 202120313213 is 312313021202.
It is a cyclic number.
It is not a de Polignac number, because 202120313213 - 226 = 202053204349 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (202120313203) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 65324993 + ... + 65328086.
It is an arithmetic number, because the mean of its divisors is an integer number (16462288080).
Almost surely, 2202120313213 is an apocalyptic number.
It is an amenable number.
202120313213 is a deficient number, since it is larger than the sum of its proper divisors (61276296067).
202120313213 is a wasteful number, since it uses less digits than its factorization.
202120313213 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 130653116.
The product of its (nonzero) digits is 432, while the sum is 20.
Adding to 202120313213 its reverse (312313021202), we get a palindrome (514433334415).
The spelling of 202120313213 in words is "two hundred two billion, one hundred twenty million, three hundred thirteen thousand, two hundred thirteen".
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