Base | Representation |
---|---|
bin | 100011110111110010… |
… | …100100100111001000 |
3 | 10200102022110200212221 |
4 | 203313302210213020 |
5 | 1112340320433010 |
6 | 25410000143424 |
7 | 2532325552666 |
oct | 436762444710 |
9 | 120368420787 |
10 | 38516967880 |
11 | 15375908066 |
12 | 756b307b74 |
13 | 382aa51571 |
14 | 1c15643c36 |
15 | 10066dedda |
hex | 8f7ca49c8 |
38516967880 has 64 divisors (see below), whose sum is σ = 87948892800. Its totient is φ = 15179450880.
The previous prime is 38516967869. The next prime is 38516967893. The reversal of 38516967880 is 8876961583.
38516967880 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 988365 + ... + 1026595.
It is an arithmetic number, because the mean of its divisors is an integer number (1374201450).
Almost surely, 238516967880 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 38516967880, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (43974446400).
38516967880 is an abundant number, since it is smaller than the sum of its proper divisors (49431924920).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
38516967880 is a wasteful number, since it uses less digits than its factorization.
38516967880 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 38614 (or 38610 counting only the distinct ones).
The product of its (nonzero) digits is 17418240, while the sum is 61.
The spelling of 38516967880 in words is "thirty-eight billion, five hundred sixteen million, nine hundred sixty-seven thousand, eight hundred eighty".
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