Base | Representation |
---|---|
bin | 100100001000010001… |
… | …000011011111010000 |
3 | 10201010120121121102010 |
4 | 210020101003133100 |
5 | 1113422102103003 |
6 | 25453233022520 |
7 | 2542223260266 |
oct | 441021033720 |
9 | 121116547363 |
10 | 38793394128 |
11 | 154a7950205 |
12 | 76279b4a40 |
13 | 38730b73a8 |
14 | 1c4023c436 |
15 | 1020ae4003 |
hex | 9084437d0 |
38793394128 has 40 divisors (see below), whose sum is σ = 100310676928. Its totient is φ = 12918949632.
The previous prime is 38793394127. The next prime is 38793394139. The reversal of 38793394128 is 82149339783.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (38793394127) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 329125 + ... + 431172.
Almost surely, 238793394128 is an apocalyptic number.
It is an amenable number.
38793394128 is an abundant number, since it is smaller than the sum of its proper divisors (61517282800).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
38793394128 is a wasteful number, since it uses less digits than its factorization.
38793394128 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 761371 (or 761365 counting only the distinct ones).
The product of its digits is 7838208, while the sum is 57.
The spelling of 38793394128 in words is "thirty-eight billion, seven hundred ninety-three million, three hundred ninety-four thousand, one hundred twenty-eight".
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