Base | Representation |
---|---|
bin | 100100001111010101… |
… | …100000001011101111 |
3 | 10201102211210110010000 |
4 | 210033111200023233 |
5 | 1114142433011001 |
6 | 25513111115343 |
7 | 2545163356221 |
oct | 441725401357 |
9 | 121384713100 |
10 | 38912000751 |
11 | 155588a0108 |
12 | 765b672b53 |
13 | 3891844020 |
14 | 1c51cb4411 |
15 | 102b221a86 |
hex | 90f5602ef |
38912000751 has 40 divisors (see below), whose sum is σ = 62822423664. Its totient is φ = 23860448640.
The previous prime is 38912000731. The next prime is 38912000767. The reversal of 38912000751 is 15700021983.
38912000751 is a `hidden beast` number, since 389 + 1 + 200 + 0 + 75 + 1 = 666.
38912000751 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is not a de Polignac number, because 38912000751 - 222 = 38907806447 is a prime.
It is a super-3 number, since 3×389120007513 (a number of 33 digits) contains 333 as substring.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (38912000731) by changing a digit.
It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 230140 + ... + 361646.
Almost surely, 238912000751 is an apocalyptic number.
38912000751 is the 98631-st decagonal number.
38912000751 is a deficient number, since it is larger than the sum of its proper divisors (23910422913).
38912000751 is a wasteful number, since it uses less digits than its factorization.
38912000751 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 131813 (or 131804 counting only the distinct ones).
The product of its (nonzero) digits is 15120, while the sum is 36.
The spelling of 38912000751 in words is "thirty-eight billion, nine hundred twelve million, seven hundred fifty-one", and thus it is an aban number.
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