Base | Representation |
---|---|
bin | 100011011110000101… |
… | …110011001010111110 |
3 | 10122022021011010121211 |
4 | 203132011303022332 |
5 | 1110444431110023 |
6 | 25255114515034 |
7 | 2515541651434 |
oct | 433605631276 |
9 | 118267133554 |
10 | 38085800638 |
11 | 151744947a6 |
12 | 746aa35a7a |
13 | 378c619912 |
14 | 1bb4288d54 |
15 | ecd921a0d |
hex | 8de1732be |
38085800638 has 32 divisors (see below), whose sum is σ = 61194009600. Its totient is φ = 17714962944.
The previous prime is 38085800611. The next prime is 38085800651. The reversal of 38085800638 is 83600858083.
It is a junction number, because it is equal to n+sod(n) for n = 38085800591 and 38085800600.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1145148 + ... + 1177936.
It is an arithmetic number, because the mean of its divisors is an integer number (1912312800).
Almost surely, 238085800638 is an apocalyptic number.
38085800638 is a deficient number, since it is larger than the sum of its proper divisors (23108208962).
38085800638 is a wasteful number, since it uses less digits than its factorization.
38085800638 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 33204.
The product of its (nonzero) digits is 1105920, while the sum is 49.
The spelling of 38085800638 in words is "thirty-eight billion, eighty-five million, eight hundred thousand, six hundred thirty-eight".
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