Base | Representation |
---|---|
bin | 100011100001001101… |
… | …000100000110101100 |
3 | 10122102220102222222000 |
4 | 203201031010012230 |
5 | 1111101314133102 |
6 | 25304222252300 |
7 | 2520044651142 |
oct | 434115040654 |
9 | 118386388860 |
10 | 38138036652 |
11 | 151a0a22461 |
12 | 7484427090 |
13 | 379a3a89c1 |
14 | 1bbb1a5592 |
15 | ed32de01c |
hex | 8e13441ac |
38138036652 has 96 divisors (see below), whose sum is σ = 99412992000. Its totient is φ = 12643900416.
The previous prime is 38138036647. The next prime is 38138036771. The reversal of 38138036652 is 25663083183.
It is a junction number, because it is equal to n+sod(n) for n = 38138036598 and 38138036607.
It is an unprimeable number.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 17795493 + ... + 17797635.
It is an arithmetic number, because the mean of its divisors is an integer number (1035552000).
Almost surely, 238138036652 is an apocalyptic number.
It is an amenable number.
38138036652 is an abundant number, since it is smaller than the sum of its proper divisors (61274955348).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
38138036652 is a wasteful number, since it uses less digits than its factorization.
38138036652 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2972 (or 2964 counting only the distinct ones).
The product of its (nonzero) digits is 622080, while the sum is 45.
The spelling of 38138036652 in words is "thirty-eight billion, one hundred thirty-eight million, thirty-six thousand, six hundred fifty-two".
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