Base | Representation |
---|---|
bin | 1011110000100001110… |
… | …0110001101011000011 |
3 | 201022102002110121212211 |
4 | 2330020130301223003 |
5 | 11302201314133011 |
6 | 232444441002551 |
7 | 20410610034334 |
oct | 2741034615303 |
9 | 638362417784 |
10 | 202005224131 |
11 | 78740756827 |
12 | 33197183457 |
13 | 160838a5329 |
14 | 9ac453a28b |
15 | 53c4519b21 |
hex | 2f08731ac3 |
202005224131 has 4 divisors (see below), whose sum is σ = 213887884392. Its totient is φ = 190122563872.
The previous prime is 202005224117. The next prime is 202005224147. The reversal of 202005224131 is 131422500202.
It is a happy number.
It is a semiprime because it is the product of two primes.
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-202005224131 is a prime.
It is a super-2 number, since 2×2020052241312 (a number of 23 digits) contains 22 as substring.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (202005224231) 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, 5941330105 + ... + 5941330138.
It is an arithmetic number, because the mean of its divisors is an integer number (53471971098).
Almost surely, 2202005224131 is an apocalyptic number.
202005224131 is a deficient number, since it is larger than the sum of its proper divisors (11882660261).
202005224131 is a wasteful number, since it uses less digits than its factorization.
202005224131 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 11882660260.
The product of its (nonzero) digits is 960, while the sum is 22.
Adding to 202005224131 its reverse (131422500202), we get a palindrome (333427724333).
The spelling of 202005224131 in words is "two hundred two billion, five million, two hundred twenty-four thousand, one hundred thirty-one".
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