Base | Representation |
---|---|
bin | 100100000010000101… |
… | …101101111001110111 |
3 | 10200212100121101112002 |
4 | 210002011231321313 |
5 | 1113214034240324 |
6 | 25435051445515 |
7 | 2536524344504 |
oct | 440205557167 |
9 | 120770541462 |
10 | 38689758839 |
11 | 154543a6506 |
12 | 75b915689b |
13 | 38577a0034 |
14 | 1c305824ab |
15 | 10169723ae |
hex | 90216de77 |
38689758839 has 16 divisors (see below), whose sum is σ = 41284857600. Its totient is φ = 36130659840.
The previous prime is 38689758803. The next prime is 38689758841. The reversal of 38689758839 is 93885798683.
38689758839 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a cyclic number.
It is not a de Polignac number, because 38689758839 - 212 = 38689754743 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (38689758739) 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, 2502497 + ... + 2517909.
It is an arithmetic number, because the mean of its divisors is an integer number (2580303600).
Almost surely, 238689758839 is an apocalyptic number.
38689758839 is a deficient number, since it is larger than the sum of its proper divisors (2595098761).
38689758839 is a wasteful number, since it uses less digits than its factorization.
38689758839 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 16570.
The product of its digits is 627056640, while the sum is 74.
The spelling of 38689758839 in words is "thirty-eight billion, six hundred eighty-nine million, seven hundred fifty-eight thousand, eight hundred thirty-nine".
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