Base | Representation |
---|---|
bin | 100011110111111001… |
… | …011100010111101101 |
3 | 10200102102212012202000 |
4 | 203313321130113231 |
5 | 1112341301103013 |
6 | 25410102522513 |
7 | 2532350064315 |
oct | 436771342755 |
9 | 120372765660 |
10 | 38518769133 |
11 | 153769283a9 |
12 | 756ba36439 |
13 | 382b2323b0 |
14 | 1c15992445 |
15 | 1006948973 |
hex | 8f7e5c5ed |
38518769133 has 64 divisors (see below), whose sum is σ = 65538950400. Its totient is φ = 22148536320.
The previous prime is 38518769131. The next prime is 38518769279. The reversal of 38518769133 is 33196781583.
38518769133 is a `hidden beast` number, since 3 + 8 + 518 + 7 + 6 + 91 + 33 = 666.
It is not a de Polignac number, because 38518769133 - 21 = 38518769131 is a prime.
It is a Curzon number.
It is a self number, because there is not a number n which added to its sum of digits gives 38518769133.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (38518769131) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (23) of ones.
It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 806193 + ... + 852633.
It is an arithmetic number, because the mean of its divisors is an integer number (1024046100).
Almost surely, 238518769133 is an apocalyptic number.
It is an amenable number.
38518769133 is a deficient number, since it is larger than the sum of its proper divisors (27020181267).
38518769133 is a wasteful number, since it uses less digits than its factorization.
38518769133 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 46619 (or 46613 counting only the distinct ones).
The product of its digits is 3265920, while the sum is 54.
The spelling of 38518769133 in words is "thirty-eight billion, five hundred eighteen million, seven hundred sixty-nine thousand, one hundred thirty-three".
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