Base | Representation |
---|---|
bin | 100011011010101011… |
… | …111000001101000101 |
3 | 10122011021122210102021 |
4 | 203122223320031011 |
5 | 1110340320030421 |
6 | 25245314243141 |
7 | 2514246252163 |
oct | 433253701505 |
9 | 118137583367 |
10 | 38028673861 |
11 | 15145216592 |
12 | 74538864b1 |
13 | 37808376a9 |
14 | 1baa858233 |
15 | ec88da341 |
hex | 8daaf8345 |
38028673861 has 2 divisors, whose sum is σ = 38028673862. Its totient is φ = 38028673860.
The previous prime is 38028673829. The next prime is 38028673867. The reversal of 38028673861 is 16837682083.
38028673861 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., 30142168225 + 7886505636 = 173615^2 + 88806^2 .
It is a cyclic number.
It is not a de Polignac number, because 38028673861 - 25 = 38028673829 is a prime.
It is a junction number, because it is equal to n+sod(n) for n = 38028673799 and 38028673808.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (38028673867) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 19014336930 + 19014336931.
It is an arithmetic number, because the mean of its divisors is an integer number (19014336931).
Almost surely, 238028673861 is an apocalyptic number.
It is an amenable number.
38028673861 is a deficient number, since it is larger than the sum of its proper divisors (1).
38028673861 is an equidigital number, since it uses as much as digits as its factorization.
38028673861 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 2322432, while the sum is 52.
The spelling of 38028673861 in words is "thirty-eight billion, twenty-eight million, six hundred seventy-three thousand, eight hundred sixty-one".
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