Base | Representation |
---|---|
bin | 100011110010100100… |
… | …001100101101111100 |
3 | 10200012012112102020211 |
4 | 203302210030231330 |
5 | 1112200401021131 |
6 | 25353145322204 |
7 | 2530212531040 |
oct | 436244145574 |
9 | 120165472224 |
10 | 38429313916 |
11 | 15330389374 |
12 | 7545a96364 |
13 | 3815841406 |
14 | 1c07b48020 |
15 | eedb785b1 |
hex | 8f290cb7c |
38429313916 has 48 divisors (see below), whose sum is σ = 77761797120. Its totient is φ = 16276360320.
The previous prime is 38429313913. The next prime is 38429313931. The reversal of 38429313916 is 61931392483.
38429313916 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a self number, because there is not a number n which added to its sum of digits gives 38429313916.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (38429313913) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9744241 + ... + 9748183.
It is an arithmetic number, because the mean of its divisors is an integer number (1620037440).
Almost surely, 238429313916 is an apocalyptic number.
It is an amenable number.
38429313916 is an abundant number, since it is smaller than the sum of its proper divisors (39332483204).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
38429313916 is a wasteful number, since it uses less digits than its factorization.
38429313916 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 7954 (or 7952 counting only the distinct ones).
The product of its digits is 839808, while the sum is 49.
The spelling of 38429313916 in words is "thirty-eight billion, four hundred twenty-nine million, three hundred thirteen thousand, nine hundred sixteen".
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