Base | Representation |
---|---|
bin | 100100000000110100… |
… | …101100000010111111 |
3 | 10200210212122012222022 |
4 | 210000310230002333 |
5 | 1113143120030232 |
6 | 25433012310355 |
7 | 2536145655551 |
oct | 440064540277 |
9 | 120725565868 |
10 | 38668517567 |
11 | 15443408639 |
12 | 75b20123bb |
13 | 3853273934 |
14 | 1c2b8134d1 |
15 | 1014b78812 |
hex | 900d2c0bf |
38668517567 has 8 divisors (see below), whose sum is σ = 39072719952. Its totient is φ = 38264428800.
The previous prime is 38668517557. The next prime is 38668517597. The reversal of 38668517567 is 76571586683.
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 38668517567 - 232 = 34373550271 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 (38668517557) 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, 773192 + ... + 821682.
It is an arithmetic number, because the mean of its divisors is an integer number (4884089994).
Almost surely, 238668517567 is an apocalyptic number.
38668517567 is a deficient number, since it is larger than the sum of its proper divisors (404202385).
38668517567 is an equidigital number, since it uses as much as digits as its factorization.
38668517567 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 56809.
The product of its digits is 50803200, while the sum is 62.
The spelling of 38668517567 in words is "thirty-eight billion, six hundred sixty-eight million, five hundred seventeen thousand, five hundred sixty-seven".
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