Base | Representation |
---|---|
bin | 100100010011000110… |
… | …110110101110011100 |
3 | 10201121020211211220200 |
4 | 210103012312232130 |
5 | 1114310132113123 |
6 | 25523251143500 |
7 | 2546562220110 |
oct | 442306665634 |
9 | 121536754820 |
10 | 38975269788 |
11 | 15590584074 |
12 | 76788a4b90 |
13 | 38a1996c20 |
14 | 1c5a463740 |
15 | 1031a6d143 |
hex | 9131b6b9c |
38975269788 has 144 divisors (see below), whose sum is σ = 121779193536. Its totient is φ = 10234874880.
The previous prime is 38975269771. The next prime is 38975269841. The reversal of 38975269788 is 88796257983.
38975269788 is a `hidden beast` number, since 3 + 8 + 9 + 7 + 526 + 97 + 8 + 8 = 666.
38975269788 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 737778 + ... + 788838.
It is an arithmetic number, because the mean of its divisors is an integer number (845688844).
Almost surely, 238975269788 is an apocalyptic number.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 38975269788, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (60889596768).
38975269788 is an abundant number, since it is smaller than the sum of its proper divisors (82803923748).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
38975269788 is a wasteful number, since it uses less digits than its factorization.
38975269788 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 51324 (or 51319 counting only the distinct ones).
The product of its digits is 365783040, while the sum is 72.
The spelling of 38975269788 in words is "thirty-eight billion, nine hundred seventy-five million, two hundred sixty-nine thousand, seven hundred eighty-eight".
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