Base | Representation |
---|---|
bin | 100011011010101101… |
… | …000101000001111000 |
3 | 10122011022020210001220 |
4 | 203122231011001320 |
5 | 1110340410113121 |
6 | 25245325112040 |
7 | 2514252032460 |
oct | 433255050170 |
9 | 118138223056 |
10 | 38028988536 |
11 | 15145410a50 |
12 | 74539b8620 |
13 | 37809179a6 |
14 | 1baa8daba0 |
15 | ec894d6c6 |
hex | 8dab45078 |
38028988536 has 64 divisors (see below), whose sum is σ = 118531918080. Its totient is φ = 9877658880.
The previous prime is 38028988511. The next prime is 38028988579. The reversal of 38028988536 is 63588982083.
It is a self number, because there is not a number n which added to its sum of digits gives 38028988536.
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, 10287381 + ... + 10291076.
It is an arithmetic number, because the mean of its divisors is an integer number (1852061220).
Almost surely, 238028988536 is an apocalyptic number.
It is an amenable number.
38028988536 is an abundant number, since it is smaller than the sum of its proper divisors (80502929544).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
38028988536 is a wasteful number, since it uses less digits than its factorization.
38028988536 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 20578484 (or 20578480 counting only the distinct ones).
The product of its (nonzero) digits is 19906560, while the sum is 60.
The spelling of 38028988536 in words is "thirty-eight billion, twenty-eight million, nine hundred eighty-eight thousand, five hundred thirty-six".
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