Base | Representation |
---|---|
bin | 100100001100101010… |
… | …100110100000001101 |
3 | 10201022201111100001102 |
4 | 210030222212200031 |
5 | 1114100000400023 |
6 | 25504430552445 |
7 | 2544110514635 |
oct | 441452464015 |
9 | 121281440042 |
10 | 38867200013 |
11 | 15535580704 |
12 | 7648668725 |
13 | 3885489305 |
14 | 1c49d716c5 |
15 | 1027322628 |
hex | 90caa680d |
38867200013 has 2 divisors, whose sum is σ = 38867200014. Its totient is φ = 38867200012.
The previous prime is 38867199991. The next prime is 38867200093. The reversal of 38867200013 is 31000276883.
It is a happy number.
It is a weak prime.
It can be written as a sum of positive squares in only one way, i.e., 36222463684 + 2644736329 = 190322^2 + 51427^2 .
It is a cyclic number.
It is not a de Polignac number, because 38867200013 - 220 = 38866151437 is a prime.
It is a Sophie Germain prime.
It is a Curzon number.
It is a self number, because there is not a number n which added to its sum of digits gives 38867200013.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (38867200093) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 19433600006 + 19433600007.
It is an arithmetic number, because the mean of its divisors is an integer number (19433600007).
Almost surely, 238867200013 is an apocalyptic number.
It is an amenable number.
38867200013 is a deficient number, since it is larger than the sum of its proper divisors (1).
38867200013 is an equidigital number, since it uses as much as digits as its factorization.
38867200013 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 48384, while the sum is 38.
Adding to 38867200013 its reverse (31000276883), we get a palindrome (69867476896).
The spelling of 38867200013 in words is "thirty-eight billion, eight hundred sixty-seven million, two hundred thousand, thirteen".
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