Base | Representation |
---|---|
bin | 100011011101010110… |
… | …100000001101100111 |
3 | 10122021101211020011222 |
4 | 203131112200031213 |
5 | 1110433242332330 |
6 | 25253553050555 |
7 | 2515331402432 |
oct | 433526401547 |
9 | 118241736158 |
10 | 38073402215 |
11 | 15168496672 |
12 | 7466856a5b |
13 | 3789b98484 |
14 | 1bb277c819 |
15 | ecc7c30e5 |
hex | 8dd5a0367 |
38073402215 has 32 divisors (see below), whose sum is σ = 50620432896. Its totient is φ = 27362119680.
The previous prime is 38073402203. The next prime is 38073402217. The reversal of 38073402215 is 51220437083.
38073402215 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a de Polignac number, because none of the positive numbers 2k-38073402215 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (38073402217) by changing a digit.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 93389 + ... + 291321.
It is an arithmetic number, because the mean of its divisors is an integer number (1581888528).
Almost surely, 238073402215 is an apocalyptic number.
38073402215 is a deficient number, since it is larger than the sum of its proper divisors (12547030681).
38073402215 is a wasteful number, since it uses less digits than its factorization.
38073402215 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 198059.
The product of its (nonzero) digits is 40320, while the sum is 35.
Adding to 38073402215 its reverse (51220437083), we get a palindrome (89293839298).
The spelling of 38073402215 in words is "thirty-eight billion, seventy-three million, four hundred two thousand, two hundred fifteen".
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