Base | Representation |
---|---|
bin | 100011111110111010… |
… | …001100001010000111 |
3 | 10200201122012202100011 |
4 | 203332322030022013 |
5 | 1113111404433013 |
6 | 25425504131051 |
7 | 2535306012202 |
oct | 437672141207 |
9 | 120648182304 |
10 | 38636405383 |
11 | 15427275244 |
12 | 75a3306a87 |
13 | 384970c444 |
14 | 1c27454939 |
15 | 1011e33c3d |
hex | 8fee8c287 |
38636405383 has 4 divisors (see below), whose sum is σ = 38806610040. Its totient is φ = 38466200728.
The previous prime is 38636405363. The next prime is 38636405387. The reversal of 38636405383 is 38350463683.
It is a semiprime because it is the product of two primes.
It is a cyclic number.
It is not a de Polignac number, because 38636405383 - 25 = 38636405351 is a prime.
It is a super-2 number, since 2×386364053832 (a number of 22 digits) contains 22 as substring.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (38636405387) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 85101988 + ... + 85102441.
It is an arithmetic number, because the mean of its divisors is an integer number (9701652510).
Almost surely, 238636405383 is an apocalyptic number.
38636405383 is a deficient number, since it is larger than the sum of its proper divisors (170204657).
38636405383 is a wasteful number, since it uses less digits than its factorization.
38636405383 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 170204656.
The product of its (nonzero) digits is 3732480, while the sum is 49.
The spelling of 38636405383 in words is "thirty-eight billion, six hundred thirty-six million, four hundred five thousand, three hundred eighty-three".
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