Base | Representation |
---|---|
bin | 100011110101010001… |
… | …100000000001001101 |
3 | 10200022101000111110021 |
4 | 203311101200001031 |
5 | 1112244013301020 |
6 | 25401451142141 |
7 | 2531303632654 |
oct | 436521400115 |
9 | 120271014407 |
10 | 38474743885 |
11 | 15353a985a6 |
12 | 7559144951 |
13 | 3822089656 |
14 | 1c0dbb219b |
15 | 1002b4e1aa |
hex | 8f546004d |
38474743885 has 8 divisors (see below), whose sum is σ = 46522133856. Its totient is φ = 30544834320.
The previous prime is 38474743843. The next prime is 38474743889. The reversal of 38474743885 is 58834747483.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a de Polignac number, because none of the positive numbers 2k-38474743885 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 (38474743889) 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, 29369379 + ... + 29370688.
It is an arithmetic number, because the mean of its divisors is an integer number (5815266732).
Almost surely, 238474743885 is an apocalyptic number.
It is an amenable number.
38474743885 is a deficient number, since it is larger than the sum of its proper divisors (8047389971).
38474743885 is a wasteful number, since it uses less digits than its factorization.
38474743885 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 58740203.
The product of its digits is 72253440, while the sum is 61.
The spelling of 38474743885 in words is "thirty-eight billion, four hundred seventy-four million, seven hundred forty-three thousand, eight hundred eighty-five".
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