Base | Representation |
---|---|
bin | 100011110110000111… |
… | …110100000001001001 |
3 | 10200100100210211220012 |
4 | 203312013310001021 |
5 | 1112311134402302 |
6 | 25403120241305 |
7 | 2531535642164 |
oct | 436607640111 |
9 | 120310724805 |
10 | 38488981577 |
11 | 15361032592 |
12 | 7561a70235 |
13 | 3825003017 |
14 | 1c11a3aadb |
15 | 1004012a52 |
hex | 8f61f4049 |
38488981577 has 8 divisors (see below), whose sum is σ = 38758427136. Its totient is φ = 38220284592.
The previous prime is 38488981543. The next prime is 38488981591. The reversal of 38488981577 is 77518988483.
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 38488981577 - 234 = 21309112393 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (38488981507) 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, 83753 + ... + 289814.
It is an arithmetic number, because the mean of its divisors is an integer number (4844803392).
Almost surely, 238488981577 is an apocalyptic number.
It is an amenable number.
38488981577 is a deficient number, since it is larger than the sum of its proper divisors (269445559).
38488981577 is a wasteful number, since it uses less digits than its factorization.
38488981577 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 374287.
The product of its digits is 108380160, while the sum is 68.
The spelling of 38488981577 in words is "thirty-eight billion, four hundred eighty-eight million, nine hundred eighty-one thousand, five hundred seventy-seven".
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