Base | Representation |
---|---|
bin | 100011110111000010… |
… | …010100100100000000 |
3 | 10200101102200002012111 |
4 | 203313002110210000 |
5 | 1112324101203412 |
6 | 25404425105104 |
7 | 2532113212321 |
oct | 436702244400 |
9 | 120342602174 |
10 | 38504319232 |
11 | 15369758a35 |
12 | 7567028194 |
13 | 3828243262 |
14 | 1c13ab0448 |
15 | 10055422a7 |
hex | 8f7094900 |
38504319232 has 72 divisors (see below), whose sum is σ = 77709413376. Its totient is φ = 19039942656.
The previous prime is 38504319197. The next prime is 38504319239. The reversal of 38504319232 is 23291340583.
It is not an unprimeable number, because it can be changed into a prime (38504319239) 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, 11279958 + ... + 11283370.
It is an arithmetic number, because the mean of its divisors is an integer number (1079297408).
Almost surely, 238504319232 is an apocalyptic number.
38504319232 is a gapful number since it is divisible by the number (32) 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 38504319232, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (38854706688).
38504319232 is an abundant number, since it is smaller than the sum of its proper divisors (39205094144).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
38504319232 is a wasteful number, since it uses less digits than its factorization.
38504319232 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 3903 (or 3889 counting only the distinct ones).
The product of its (nonzero) digits is 155520, while the sum is 40.
The spelling of 38504319232 in words is "thirty-eight billion, five hundred four million, three hundred nineteen thousand, two hundred thirty-two".
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