Base | Representation |
---|---|
bin | 100011011101010001… |
… | …001110000100001011 |
3 | 10122021022012212020202 |
4 | 203131101032010023 |
5 | 1110432414022123 |
6 | 25253503242415 |
7 | 2515313543405 |
oct | 433521160413 |
9 | 118238185222 |
10 | 38072017163 |
11 | 1516772aaa4 |
12 | 74662a940b |
13 | 3789801c0b |
14 | 1bb24dbb75 |
15 | ecc5eca28 |
hex | 8dd44e10b |
38072017163 has 4 divisors (see below), whose sum is σ = 40075807560. Its totient is φ = 36068226768.
The previous prime is 38072017153. The next prime is 38072017187. The reversal of 38072017163 is 36171027083.
It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 36171027083 = 179 ⋅202072777.
It is a cyclic number.
It is not a de Polignac number, because 38072017163 - 218 = 38071755019 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (38072017153) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1001895170 + ... + 1001895207.
It is an arithmetic number, because the mean of its divisors is an integer number (10018951890).
Almost surely, 238072017163 is an apocalyptic number.
38072017163 is a deficient number, since it is larger than the sum of its proper divisors (2003790397).
38072017163 is a wasteful number, since it uses less digits than its factorization.
38072017163 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2003790396.
The product of its (nonzero) digits is 42336, while the sum is 38.
The spelling of 38072017163 in words is "thirty-eight billion, seventy-two million, seventeen thousand, one hundred sixty-three".
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