Base | Representation |
---|---|
bin | 100100000110111000… |
… | …101111000111011100 |
3 | 10201001222001100200100 |
4 | 210012320233013130 |
5 | 1113400140221022 |
6 | 25451044501100 |
7 | 2541522422355 |
oct | 440670570734 |
9 | 121058040610 |
10 | 38770242012 |
11 | 15495877727 |
12 | 76200aa790 |
13 | 386b36c308 |
14 | 1c3b132d2c |
15 | 101da6e1ac |
hex | 906e2f1dc |
38770242012 has 36 divisors (see below), whose sum is σ = 98018740456. Its totient is φ = 12921279840.
The previous prime is 38770242011. The next prime is 38770242029. The reversal of 38770242012 is 21024207783.
38770242012 is a `hidden beast` number, since 387 + 70 + 2 + 4 + 201 + 2 = 666.
38770242012 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a tau number, because it is divible by the number of its divisors (36).
It is a Harshad number since it is a multiple of its sum of digits (36).
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (38770242011) by changing a digit.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 140187 + ... + 311757.
Almost surely, 238770242012 is an apocalyptic number.
It is an amenable number.
38770242012 is an abundant number, since it is smaller than the sum of its proper divisors (59248498444).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
38770242012 is a wasteful number, since it uses less digits than its factorization.
38770242012 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 177858 (or 177853 counting only the distinct ones).
The product of its (nonzero) digits is 37632, while the sum is 36.
Adding to 38770242012 its reverse (21024207783), we get a palindrome (59794449795).
The spelling of 38770242012 in words is "thirty-eight billion, seven hundred seventy million, two hundred forty-two thousand, twelve".
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