Base | Representation |
---|---|
bin | 100011011010010000… |
… | …011100001011010000 |
3 | 10122010210010100220020 |
4 | 203122100130023100 |
5 | 1110331444344133 |
6 | 25244500143440 |
7 | 2514131154216 |
oct | 433220341320 |
9 | 118123110806 |
10 | 38021481168 |
11 | 15141153610 |
12 | 7451397b80 |
13 | 377c1b9868 |
14 | 1ba9904cb6 |
15 | ec7e690b3 |
hex | 8da41c2d0 |
38021481168 has 40 divisors (see below), whose sum is σ = 107151448416. Its totient is φ = 11521660800.
The previous prime is 38021481167. The next prime is 38021481187. The reversal of 38021481168 is 86118412083.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (38021481167) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 36004663 + ... + 36005718.
Almost surely, 238021481168 is an apocalyptic number.
It is an amenable number.
38021481168 is an abundant number, since it is smaller than the sum of its proper divisors (69129967248).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
38021481168 is a wasteful number, since it uses less digits than its factorization.
38021481168 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 72010403 (or 72010397 counting only the distinct ones).
The product of its (nonzero) digits is 73728, while the sum is 42.
The spelling of 38021481168 in words is "thirty-eight billion, twenty-one million, four hundred eighty-one thousand, one hundred sixty-eight".
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