Base | Representation |
---|---|
bin | 100011011001000001… |
… | …100100011000001100 |
3 | 10122002100012221001121 |
4 | 203121001210120030 |
5 | 1110311201233023 |
6 | 25242441050324 |
7 | 2513460342040 |
oct | 433101443014 |
9 | 118070187047 |
10 | 38000805388 |
11 | 15130511597 |
12 | 74464869a4 |
13 | 3777b2a980 |
14 | 1ba6c82020 |
15 | ec6232d5d |
hex | 8d906460c |
38000805388 has 48 divisors (see below), whose sum is σ = 81944511040. Its totient is φ = 15015538944.
The previous prime is 38000805343. The next prime is 38000805389. The reversal of 38000805388 is 88350800083.
It is a super-2 number, since 2×380008053882 (a number of 22 digits) contains 22 as substring.
It is not an unprimeable number, because it can be changed into a prime (38000805389) 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 15 ways as a sum of consecutive naturals, for example, 249298 + ... + 371686.
Almost surely, 238000805388 is an apocalyptic number.
It is an amenable number.
38000805388 is an abundant number, since it is smaller than the sum of its proper divisors (43943705652).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
38000805388 is a wasteful number, since it uses less digits than its factorization.
38000805388 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 123266 (or 123264 counting only the distinct ones).
The product of its (nonzero) digits is 184320, while the sum is 43.
The spelling of 38000805388 in words is "thirty-eight billion, eight hundred five thousand, three hundred eighty-eight".
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