Base | Representation |
---|---|
bin | 100011101110111101… |
… | …100111100010001011 |
3 | 10200000222210110201101 |
4 | 203232331213202023 |
5 | 1112034412242431 |
6 | 25343150002231 |
7 | 2525550000232 |
oct | 435675474213 |
9 | 120028713641 |
10 | 38368868491 |
11 | 152aa253878 |
12 | 75297a6377 |
13 | 38061697a5 |
14 | 1bddad1b19 |
15 | ee86d8961 |
hex | 8eef6788b |
38368868491 has 8 divisors (see below), whose sum is σ = 38597009904. Its totient is φ = 38140800480.
The previous prime is 38368868449. The next prime is 38368868497. The reversal of 38368868491 is 19486886383.
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 38368868491 - 215 = 38368835723 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (38368868497) 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, 1316125 + ... + 1344961.
It is an arithmetic number, because the mean of its divisors is an integer number (4824626238).
Almost surely, 238368868491 is an apocalyptic number.
38368868491 is a deficient number, since it is larger than the sum of its proper divisors (228141413).
38368868491 is a wasteful number, since it uses less digits than its factorization.
38368868491 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 36701.
The product of its digits is 47775744, while the sum is 64.
The spelling of 38368868491 in words is "thirty-eight billion, three hundred sixty-eight million, eight hundred sixty-eight thousand, four hundred ninety-one".
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