Base | Representation |
---|---|
bin | 100100001111000000… |
… | …011101011100101000 |
3 | 10201102110102012021011 |
4 | 210033000131130220 |
5 | 1114140030001040 |
6 | 25512352553304 |
7 | 2545065443011 |
oct | 441700353450 |
9 | 121373365234 |
10 | 38906484520 |
11 | 15555772742 |
12 | 7659852834 |
13 | 3890662297 |
14 | 1c5127a008 |
15 | 102a9d23ea |
hex | 90f01d728 |
38906484520 has 32 divisors (see below), whose sum is σ = 87573765600. Its totient is φ = 15556518208.
The previous prime is 38906484503. The next prime is 38906484523. The reversal of 38906484520 is 2548460983.
It is not an unprimeable number, because it can be changed into a prime (38906484523) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 85414 + ... + 291733.
It is an arithmetic number, because the mean of its divisors is an integer number (2736680175).
Almost surely, 238906484520 is an apocalyptic number.
It is an amenable number.
38906484520 is an abundant number, since it is smaller than the sum of its proper divisors (48667281080).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
38906484520 is a wasteful number, since it uses less digits than its factorization.
38906484520 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 379737 (or 379733 counting only the distinct ones).
The product of its (nonzero) digits is 1658880, while the sum is 49.
The spelling of 38906484520 in words is "thirty-eight billion, nine hundred six million, four hundred eighty-four thousand, five hundred twenty".
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