Base | Representation |
---|---|
bin | 100011011001000001… |
… | …100100011000010000 |
3 | 10122002100012221001202 |
4 | 203121001210120100 |
5 | 1110311201233032 |
6 | 25242441050332 |
7 | 2513460342044 |
oct | 433101443020 |
9 | 118070187052 |
10 | 38000805392 |
11 | 151305115a0 |
12 | 74464869a8 |
13 | 3777b2a984 |
14 | 1ba6c82024 |
15 | ec6232d62 |
hex | 8d9064610 |
38000805392 has 160 divisors (see below), whose sum is σ = 85392534528. Its totient is φ = 16220160000.
The previous prime is 38000805389. The next prime is 38000805397. The reversal of 38000805392 is 29350800083.
It is a super-2 number, since 2×380008053922 (a number of 22 digits) contains 22 as substring.
It is not an unprimeable number, because it can be changed into a prime (38000805397) by changing a digit.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 57489542 + ... + 57490202.
Almost surely, 238000805392 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 38000805392, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (42696267264).
38000805392 is an abundant number, since it is smaller than the sum of its proper divisors (47391729136).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
38000805392 is a wasteful number, since it uses less digits than its factorization.
38000805392 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1009 (or 1003 counting only the distinct ones).
The product of its (nonzero) digits is 51840, while the sum is 38.
The spelling of 38000805392 in words is "thirty-eight billion, eight hundred five thousand, three hundred ninety-two".
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