Base | Representation |
---|---|
bin | 100100000111110111… |
… | …001010010001011100 |
3 | 10201010002211202002100 |
4 | 210013313022101130 |
5 | 1113413332344142 |
6 | 25452431325100 |
7 | 2542111466316 |
oct | 440767122134 |
9 | 121102752070 |
10 | 38786606172 |
11 | 154a4034326 |
12 | 7625680790 |
13 | 387187b852 |
14 | 1c3d3927b6 |
15 | 1020202b4c |
hex | 907dca45c |
38786606172 has 18 divisors (see below), whose sum is σ = 98043921248. Its totient is φ = 12928868712.
The previous prime is 38786606141. The next prime is 38786606203. The reversal of 38786606172 is 27160668783.
38786606172 is a `hidden beast` number, since 387 + 86 + 60 + 61 + 72 = 666.
It is an interprime number because it is at equal distance from previous prime (38786606141) and next prime (38786606203).
It is a tau number, because it is divible by the number of its divisors (18).
It is a congruent number.
It is an unprimeable number.
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, 538702828 + ... + 538702899.
Almost surely, 238786606172 is an apocalyptic number.
It is an amenable number.
38786606172 is an abundant number, since it is smaller than the sum of its proper divisors (59257315076).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
38786606172 is a wasteful number, since it uses less digits than its factorization.
38786606172 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1077405737 (or 1077405732 counting only the distinct ones).
The product of its (nonzero) digits is 4064256, while the sum is 54.
The spelling of 38786606172 in words is "thirty-eight billion, seven hundred eighty-six million, six hundred six thousand, one hundred seventy-two".
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