Base | Representation |
---|---|
bin | 100011110000000110… |
… | …100110100010101001 |
3 | 10200002022210111111111 |
4 | 203300012212202221 |
5 | 1112104312012222 |
6 | 25345112030321 |
7 | 2526201424036 |
oct | 436006464251 |
9 | 120068714444 |
10 | 38388000937 |
11 | 1530a031310 |
12 | 75340923a1 |
13 | 380a108070 |
14 | 1c0247238d |
15 | eea217777 |
hex | 8f01a68a9 |
38388000937 has 32 divisors (see below), whose sum is σ = 47176738560. Its totient is φ = 30736696320.
The previous prime is 38388000857. The next prime is 38388000947. The reversal of 38388000937 is 73900088383.
It is the 79988-th star number.
It is not a de Polignac number, because 38388000937 - 211 = 38387998889 is a prime.
It is a super-2 number, since 2×383880009372 (a number of 22 digits) contains 22 as substring.
It is a Smith number, since the sum of its digits (49) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (38388000947) 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, 1330933 + ... + 1359469.
It is an arithmetic number, because the mean of its divisors is an integer number (1474273080).
Almost surely, 238388000937 is an apocalyptic number.
It is an amenable number.
38388000937 is a deficient number, since it is larger than the sum of its proper divisors (8788737623).
38388000937 is a wasteful number, since it uses less digits than its factorization.
38388000937 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 28993.
The product of its (nonzero) digits is 870912, while the sum is 49.
The spelling of 38388000937 in words is "thirty-eight billion, three hundred eighty-eight million, nine hundred thirty-seven", and thus it is an aban number.
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