Base | Representation |
---|---|
bin | 100100001100000011… |
… | …110101110010011111 |
3 | 10201022000101002202212 |
4 | 210030003311302133 |
5 | 1114034400222012 |
6 | 25503425111035 |
7 | 2543625245003 |
oct | 441403656237 |
9 | 121260332685 |
10 | 38857039007 |
11 | 1552a870586 |
12 | 764518847b |
13 | 388333c397 |
14 | 1c48888703 |
15 | 10264b6b22 |
hex | 90c0f5c9f |
38857039007 has 8 divisors (see below), whose sum is σ = 39420545472. Its totient is φ = 38296857600.
The previous prime is 38857039003. The next prime is 38857039021. The reversal of 38857039007 is 70093075883.
38857039007 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 38857039007 - 22 = 38857039003 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (38857039003) 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, 807719 + ... + 854472.
It is an arithmetic number, because the mean of its divisors is an integer number (4927568184).
Almost surely, 238857039007 is an apocalyptic number.
38857039007 is a deficient number, since it is larger than the sum of its proper divisors (563506465).
38857039007 is a wasteful number, since it uses less digits than its factorization.
38857039007 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1662529.
The product of its (nonzero) digits is 1270080, while the sum is 50.
The spelling of 38857039007 in words is "thirty-eight billion, eight hundred fifty-seven million, thirty-nine thousand, seven".
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