Base | Representation |
---|---|
bin | 100100010000001101… |
… | …111010011101001100 |
3 | 10201110212121201222202 |
4 | 210100031322131030 |
5 | 1114210224212203 |
6 | 25514400101032 |
7 | 2545433146043 |
oct | 442015723514 |
9 | 121425551882 |
10 | 38926788428 |
11 | 15566180330 |
12 | 7664604778 |
13 | 3894920b28 |
14 | 1c53c4355a |
15 | 102c693388 |
hex | 91037a74c |
38926788428 has 24 divisors (see below), whose sum is σ = 78686236944. Its totient is φ = 16653171200.
The previous prime is 38926788413. The next prime is 38926788437. The reversal of 38926788428 is 82488762983.
It is a super-2 number, since 2×389267884282 (a number of 22 digits) contains 22 as substring.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 26019833 + ... + 26021328.
It is an arithmetic number, because the mean of its divisors is an integer number (3278593206).
Almost surely, 238926788428 is an apocalyptic number.
It is an amenable number.
38926788428 is an abundant number, since it is smaller than the sum of its proper divisors (39759448516).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
38926788428 is a wasteful number, since it uses less digits than its factorization.
38926788428 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 52041193 (or 52041191 counting only the distinct ones).
The product of its digits is 74317824, while the sum is 65.
The spelling of 38926788428 in words is "thirty-eight billion, nine hundred twenty-six million, seven hundred eighty-eight thousand, four hundred twenty-eight".
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