Base | Representation |
---|---|
bin | 100011100101101111… |
… | …010111010001100000 |
3 | 10122122012122021220202 |
4 | 203211233113101200 |
5 | 1111230304340203 |
6 | 25315541324332 |
7 | 2521660542632 |
oct | 434557272140 |
9 | 118565567822 |
10 | 38214136928 |
11 | 1522a97a750 |
12 | 74a5a066a8 |
13 | 37b00a2056 |
14 | 1bc7334a52 |
15 | ed9d22388 |
hex | 8e5bd7460 |
38214136928 has 24 divisors (see below), whose sum is σ = 82073544840. Its totient is φ = 17370062080.
The previous prime is 38214136927. The next prime is 38214136931. The reversal of 38214136928 is 82963141283.
38214136928 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a super-2 number, since 2×382141369282 (a number of 22 digits) contains 22 as substring.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (38214136927) 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, 54281093 + ... + 54281796.
It is an arithmetic number, because the mean of its divisors is an integer number (3419731035).
Almost surely, 238214136928 is an apocalyptic number.
It is an amenable number.
38214136928 is an abundant number, since it is smaller than the sum of its proper divisors (43859407912).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
38214136928 is a wasteful number, since it uses less digits than its factorization.
38214136928 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 108562910 (or 108562902 counting only the distinct ones).
The product of its digits is 497664, while the sum is 47.
The spelling of 38214136928 in words is "thirty-eight billion, two hundred fourteen million, one hundred thirty-six thousand, nine hundred twenty-eight".
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