Base | Representation |
---|---|
bin | 100011011111001111… |
… | …100111111101101011 |
3 | 10122100121120100121022 |
4 | 203133033213331223 |
5 | 1111014404402022 |
6 | 25301045403055 |
7 | 2516165313440 |
oct | 433717477553 |
9 | 118317510538 |
10 | 38105153387 |
11 | 15184402804 |
12 | 747540948b |
13 | 3793634552 |
14 | 1bb6a859c7 |
15 | ed0495c42 |
hex | 8df3e7f6b |
38105153387 has 8 divisors (see below), whose sum is σ = 46110437856. Its totient is φ = 30740291712.
The previous prime is 38105153309. The next prime is 38105153393. The reversal of 38105153387 is 78335150183.
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 38105153387 - 210 = 38105152363 is a prime.
It is not an unprimeable number, because it can be changed into a prime (38105153987) 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, 160105568 + ... + 160105805.
It is an arithmetic number, because the mean of its divisors is an integer number (5763804732).
Almost surely, 238105153387 is an apocalyptic number.
38105153387 is a deficient number, since it is larger than the sum of its proper divisors (8005284469).
38105153387 is a wasteful number, since it uses less digits than its factorization.
38105153387 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 320211397.
The product of its (nonzero) digits is 302400, while the sum is 44.
The spelling of 38105153387 in words is "thirty-eight billion, one hundred five million, one hundred fifty-three thousand, three hundred eighty-seven".
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