Base | Representation |
---|---|
bin | 100011100111011110… |
… | …110101100001011111 |
3 | 10122201020121220210212 |
4 | 203213132311201133 |
5 | 1111310244440230 |
6 | 25322503523035 |
7 | 2522464120634 |
oct | 434736654137 |
9 | 118636556725 |
10 | 38243358815 |
11 | 15245419572 |
12 | 74b375947b |
13 | 37b6163acc |
14 | 1bcb18018b |
15 | edc695895 |
hex | 8e77b585f |
38243358815 has 16 divisors (see below), whose sum is σ = 46103348928. Its totient is φ = 30454085376.
The previous prime is 38243358781. The next prime is 38243358833. The reversal of 38243358815 is 51885334283.
It is a cyclic number.
It is not a de Polignac number, because 38243358815 - 210 = 38243357791 is a prime.
It is a Duffinian number.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1120949 + ... + 1154561.
It is an arithmetic number, because the mean of its divisors is an integer number (2881459308).
Almost surely, 238243358815 is an apocalyptic number.
38243358815 is a deficient number, since it is larger than the sum of its proper divisors (7859990113).
38243358815 is a wasteful number, since it uses less digits than its factorization.
38243358815 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 34658.
The product of its digits is 2764800, while the sum is 50.
The spelling of 38243358815 in words is "thirty-eight billion, two hundred forty-three million, three hundred fifty-eight thousand, eight hundred fifteen".
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