Base | Representation |
---|---|
bin | 100011101111101011… |
… | …101100100100110000 |
3 | 10200001211112011100201 |
4 | 203233223230210300 |
5 | 1112101010312020 |
6 | 25344300524544 |
7 | 2526054446611 |
oct | 435753544460 |
9 | 120054464321 |
10 | 38380947760 |
11 | 15306054141 |
12 | 7531850754 |
13 | 380880889c |
14 | 1c01557c08 |
15 | ee97c2a0a |
hex | 8efaec930 |
38380947760 has 20 divisors (see below), whose sum is σ = 89235703728. Its totient is φ = 15352379072.
The previous prime is 38380947733. The next prime is 38380947767. The reversal of 38380947760 is 6774908383.
It is a tau number, because it is divible by the number of its divisors (20).
It is not an unprimeable number, because it can be changed into a prime (38380947767) 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 3 ways as a sum of consecutive naturals, for example, 239880844 + ... + 239881003.
Almost surely, 238380947760 is an apocalyptic number.
It is an amenable number.
38380947760 is an abundant number, since it is smaller than the sum of its proper divisors (50854755968).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
38380947760 is a wasteful number, since it uses less digits than its factorization.
38380947760 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 479761860 (or 479761854 counting only the distinct ones).
The product of its (nonzero) digits is 6096384, while the sum is 55.
The spelling of 38380947760 in words is "thirty-eight billion, three hundred eighty million, nine hundred forty-seven thousand, seven hundred sixty".
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