Base | Representation |
---|---|
bin | 100100001101011001… |
… | …001001111101010011 |
3 | 10201100120110100120201 |
4 | 210031121021331103 |
5 | 1114111111410414 |
6 | 25505544320031 |
7 | 2544316323442 |
oct | 441531117523 |
9 | 121316410521 |
10 | 38879403859 |
11 | 1554145662a |
12 | 7650773017 |
13 | 3887b7001a |
14 | 1c4b82ad59 |
15 | 1028433574 |
hex | 90d649f53 |
38879403859 has 4 divisors (see below), whose sum is σ = 38879807616. Its totient is φ = 38879000104.
The previous prime is 38879403817. The next prime is 38879403877. The reversal of 38879403859 is 95830497883.
38879403859 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.
It is a cyclic number.
It is not a de Polignac number, because 38879403859 - 211 = 38879401811 is a prime.
It is a Duffinian number.
It is a self number, because there is not a number n which added to its sum of digits gives 38879403859.
It is not an unprimeable number, because it can be changed into a prime (38879403659) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 35982 + ... + 281164.
It is an arithmetic number, because the mean of its divisors is an integer number (9719951904).
Almost surely, 238879403859 is an apocalyptic number.
38879403859 is a deficient number, since it is larger than the sum of its proper divisors (403757).
38879403859 is a wasteful number, since it uses less digits than its factorization.
38879403859 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 403756.
The product of its (nonzero) digits is 52254720, while the sum is 64.
The spelling of 38879403859 in words is "thirty-eight billion, eight hundred seventy-nine million, four hundred three thousand, eight hundred fifty-nine".
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