Base | Representation |
---|---|
bin | 100011011010111001… |
… | …000001110100011001 |
3 | 10122011112010221011021 |
4 | 203122321001310121 |
5 | 1110342210333423 |
6 | 25245520202441 |
7 | 2514320460400 |
oct | 433271016431 |
9 | 118145127137 |
10 | 38032121113 |
11 | 15147160558 |
12 | 7454a69421 |
13 | 378147379c |
14 | 1bab0b4637 |
15 | ec8d6b95d |
hex | 8dae41d19 |
38032121113 has 6 divisors (see below), whose sum is σ = 44241447066. Its totient is φ = 32598960912.
The previous prime is 38032121107. The next prime is 38032121143. The reversal of 38032121113 is 31112123083.
It is a happy number.
It can be written as a sum of positive squares in only one way, i.e., 28876884624 + 9155236489 = 169932^2 + 95683^2 .
It is a de Polignac number, because none of the positive numbers 2k-38032121113 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (38032121143) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 388082820 + ... + 388082917.
It is an arithmetic number, because the mean of its divisors is an integer number (7373574511).
Almost surely, 238032121113 is an apocalyptic number.
It is an amenable number.
38032121113 is a deficient number, since it is larger than the sum of its proper divisors (6209325953).
38032121113 is an equidigital number, since it uses as much as digits as its factorization.
38032121113 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 776165751 (or 776165744 counting only the distinct ones).
The product of its (nonzero) digits is 864, while the sum is 25.
Adding to 38032121113 its reverse (31112123083), we get a palindrome (69144244196).
The spelling of 38032121113 in words is "thirty-eight billion, thirty-two million, one hundred twenty-one thousand, one hundred thirteen".
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