Base | Representation |
---|---|
bin | 100100000101111010… |
… | …001111000100111101 |
3 | 10201000211012221211122 |
4 | 210011322033010331 |
5 | 1113331441422403 |
6 | 25445301400325 |
7 | 2541233233214 |
oct | 440572170475 |
9 | 121024187748 |
10 | 38753857853 |
11 | 154875a6aa7 |
12 | 76167090a5 |
13 | 3867b53949 |
14 | 1c38caa07b |
15 | 101c3d4838 |
hex | 905e8f13d |
38753857853 has 2 divisors, whose sum is σ = 38753857854. Its totient is φ = 38753857852.
The previous prime is 38753857823. The next prime is 38753857859. The reversal of 38753857853 is 35875835783.
It is a happy number.
38753857853 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a strong prime.
It can be written as a sum of positive squares in only one way, i.e., 27324751204 + 11429106649 = 165302^2 + 106907^2 .
It is an emirp because it is prime and its reverse (35875835783) is a distict prime.
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-38753857853 is a prime.
It is a super-2 number, since 2×387538578532 (a number of 22 digits) contains 22 as substring.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (38753857859) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 19376928926 + 19376928927.
It is an arithmetic number, because the mean of its divisors is an integer number (19376928927).
Almost surely, 238753857853 is an apocalyptic number.
It is an amenable number.
38753857853 is a deficient number, since it is larger than the sum of its proper divisors (1).
38753857853 is an equidigital number, since it uses as much as digits as its factorization.
38753857853 is an evil number, because the sum of its binary digits is even.
The product of its digits is 84672000, while the sum is 62.
The spelling of 38753857853 in words is "thirty-eight billion, seven hundred fifty-three million, eight hundred fifty-seven thousand, eight hundred fifty-three".
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