Base | Representation |
---|---|
bin | 100011011010111110… |
… | …111000000000011100 |
3 | 10122011122000210121000 |
4 | 203122332320000130 |
5 | 1110343103410123 |
6 | 25250013110300 |
7 | 2514336503004 |
oct | 433276700034 |
9 | 118148023530 |
10 | 38033653788 |
11 | 15148008029 |
12 | 7455488390 |
13 | 378188c2b0 |
14 | 1bab393004 |
15 | ec9070b43 |
hex | 8dafb801c |
38033653788 has 192 divisors, whose sum is σ = 113316851200. Its totient is φ = 10934300160.
The previous prime is 38033653759. The next prime is 38033653789. The reversal of 38033653788 is 88735633083.
It is a happy number.
It is a Harshad number since it is a multiple of its sum of digits (54).
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (38033653789) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 1937583 + ... + 1957113.
Almost surely, 238033653788 is an apocalyptic number.
38033653788 is a gapful number since it is divisible by the number (38) formed by its first and last digit.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 38033653788, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (56658425600).
38033653788 is an abundant number, since it is smaller than the sum of its proper divisors (75283197412).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
38033653788 is a wasteful number, since it uses less digits than its factorization.
38033653788 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 19649 (or 19641 counting only the distinct ones).
The product of its (nonzero) digits is 8709120, while the sum is 54.
The spelling of 38033653788 in words is "thirty-eight billion, thirty-three million, six hundred fifty-three thousand, seven hundred eighty-eight".
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