Base | Representation |
---|---|
bin | 100100001000000100… |
… | …000101110000100010 |
3 | 10201010100012221110000 |
4 | 210020010011300202 |
5 | 1113420214324204 |
6 | 25453032120430 |
7 | 2542152344022 |
oct | 441004056042 |
9 | 121110187400 |
10 | 38789995554 |
11 | 154a5a39872 |
12 | 7626836116 |
13 | 38724974bb |
14 | 1c3d9d5a82 |
15 | 1020672039 |
hex | 908105c22 |
38789995554 has 20 divisors (see below), whose sum is σ = 86918323734. Its totient is φ = 12929998464.
The previous prime is 38789995513. The next prime is 38789995567. The reversal of 38789995554 is 45559998783.
It can be written as a sum of positive squares in only one way, i.e., 29385844929 + 9404150625 = 171423^2 + 96975^2 .
It is an unprimeable number.
It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 119722047 + ... + 119722370.
Almost surely, 238789995554 is an apocalyptic number.
38789995554 is an abundant number, since it is smaller than the sum of its proper divisors (48128328180).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
38789995554 is a wasteful number, since it uses less digits than its factorization.
38789995554 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 239444431 (or 239444422 counting only the distinct ones).
The product of its digits is 489888000, while the sum is 72.
The spelling of 38789995554 in words is "thirty-eight billion, seven hundred eighty-nine million, nine hundred ninety-five thousand, five hundred fifty-four".
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