Base | Representation |
---|---|
bin | 100011011011100000… |
… | …111011100011011101 |
3 | 10122012020211100201101 |
4 | 203123200323203131 |
5 | 1110402400044323 |
6 | 25250532313101 |
7 | 2514505414330 |
oct | 433340734335 |
9 | 118166740641 |
10 | 38042581213 |
11 | 1515205536a |
12 | 7458472791 |
13 | 37836968b0 |
14 | 1bac638617 |
15 | ec9c35dad |
hex | 8db83b8dd |
38042581213 has 64 divisors (see below), whose sum is σ = 48964608000. Its totient is φ = 28759691520.
The previous prime is 38042581193. The next prime is 38042581229. The reversal of 38042581213 is 31218524083.
It is not a de Polignac number, because 38042581213 - 233 = 29452646621 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (38042581013) by changing a digit.
It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 41395168 + ... + 41396086.
It is an arithmetic number, because the mean of its divisors is an integer number (765072000).
Almost surely, 238042581213 is an apocalyptic number.
It is an amenable number.
38042581213 is a deficient number, since it is larger than the sum of its proper divisors (10922026787).
38042581213 is a wasteful number, since it uses less digits than its factorization.
38042581213 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1202.
The product of its (nonzero) digits is 46080, while the sum is 37.
The spelling of 38042581213 in words is "thirty-eight billion, forty-two million, five hundred eighty-one thousand, two hundred thirteen".
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