Base | Representation |
---|---|
bin | 10001101100011001100001… |
… | …10100111000111010000000 |
3 | 12002202122202002021211102000 |
4 | 20312030300310320322000 |
5 | 20044440441020433113 |
6 | 214430303102424000 |
7 | 11124035335210641 |
oct | 1066146064707200 |
9 | 162678662254360 |
10 | 38908927905408 |
11 | 114412024a3600 |
12 | 4444989292000 |
13 | 1893133349772 |
14 | 9872b8a1b6c8 |
15 | 47719ce56373 |
hex | 236330d38e80 |
38908927905408 has 1536 divisors, whose sum is σ = 140066236800000. Its totient is φ = 10574311587840.
The previous prime is 38908927905403. The next prime is 38908927905433. The reversal of 38908927905408 is 80450972980983.
38908927905408 is a `hidden beast` number, since 3 + 8 + 9 + 0 + 8 + 9 + 2 + 79 + 0 + 540 + 8 = 666.
It is a Harshad number since it is a multiple of its sum of digits (72).
It is not an unprimeable number, because it can be changed into a prime (38908927905403) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 191 ways as a sum of consecutive naturals, for example, 16286699478 + ... + 16286701866.
It is an arithmetic number, because the mean of its divisors is an integer number (91188956250).
Almost surely, 238908927905408 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 38908927905408, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (70033118400000).
38908927905408 is an abundant number, since it is smaller than the sum of its proper divisors (101157308894592).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
38908927905408 is a wasteful number, since it uses less digits than its factorization.
38908927905408 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 2559 (or 2530 counting only the distinct ones).
The product of its (nonzero) digits is 313528320, while the sum is 72.
The spelling of 38908927905408 in words is "thirty-eight trillion, nine hundred eight billion, nine hundred twenty-seven million, nine hundred five thousand, four hundred eight".
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