Base | Representation |
---|---|
bin | 100011111111000101… |
… | …110110100000000110 |
3 | 10200201211222001210020 |
4 | 203333011312200012 |
5 | 1113113200244111 |
6 | 25430053440010 |
7 | 2535344003616 |
oct | 437705664006 |
9 | 120654861706 |
10 | 38639462406 |
11 | 15428a73006 |
12 | 75a4340006 |
13 | 384a23ca2c |
14 | 1c27a0ca46 |
15 | 1012339906 |
hex | 8ff176806 |
38639462406 has 16 divisors (see below), whose sum is σ = 77342648304. Its totient is φ = 12869200224.
The previous prime is 38639462383. The next prime is 38639462413. The reversal of 38639462406 is 60426493683.
38639462406 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2647261 + ... + 2661816.
It is an arithmetic number, because the mean of its divisors is an integer number (4833915519).
Almost surely, 238639462406 is an apocalyptic number.
38639462406 is an abundant number, since it is smaller than the sum of its proper divisors (38703185898).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
38639462406 is a wasteful number, since it uses less digits than its factorization.
38639462406 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 5310295.
The product of its (nonzero) digits is 4478976, while the sum is 51.
The spelling of 38639462406 in words is "thirty-eight billion, six hundred thirty-nine million, four hundred sixty-two thousand, four hundred six".
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