Base | Representation |
---|---|
bin | 100011111111000100… |
… | …111101000101001011 |
3 | 10200201211112010011022 |
4 | 203333010331011023 |
5 | 1113113120232321 |
6 | 25430044423055 |
7 | 2535342004124 |
oct | 437704750513 |
9 | 120654463138 |
10 | 38639227211 |
11 | 15428922332 |
12 | 75a4247a8b |
13 | 384a189970 |
14 | 1c2798b04b |
15 | 10122dedab |
hex | 8ff13d14b |
38639227211 has 16 divisors (see below), whose sum is σ = 42021504000. Its totient is φ = 35315863968.
The previous prime is 38639227163. The next prime is 38639227217. The reversal of 38639227211 is 11272293683.
It is a happy number.
It is a cyclic number.
It is not a de Polignac number, because 38639227211 - 222 = 38635032907 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (38639227217) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3331220 + ... + 3342798.
It is an arithmetic number, because the mean of its divisors is an integer number (2626344000).
Almost surely, 238639227211 is an apocalyptic number.
38639227211 is a deficient number, since it is larger than the sum of its proper divisors (3382276789).
38639227211 is a wasteful number, since it uses less digits than its factorization.
38639227211 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 14098.
The product of its digits is 217728, while the sum is 44.
The spelling of 38639227211 in words is "thirty-eight billion, six hundred thirty-nine million, two hundred twenty-seven thousand, two hundred eleven".
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