Base | Representation |
---|---|
bin | 100100001101000001… |
… | …000011001000100010 |
3 | 10201100010120021222112 |
4 | 210031001003020202 |
5 | 1114103002200300 |
6 | 25505201035322 |
7 | 2544211523504 |
oct | 441501031042 |
9 | 121303507875 |
10 | 38873084450 |
11 | 1553892a782 |
12 | 764a625b42 |
13 | 3886769825 |
14 | 1c4aa63d74 |
15 | 1027ad5e35 |
hex | 90d043222 |
38873084450 has 18 divisors (see below), whose sum is σ = 72306530289. Its totient is φ = 15548676120.
The previous prime is 38873084429. The next prime is 38873084479. The reversal of 38873084450 is 5448037883.
It can be written as a sum of positive squares in 2 ways, for example, as 38095622761 + 777461689 = 195181^2 + 27883^2 .
It is an ABA number since it can be written as A⋅BA, here for A=2, B=139415.
It is a super-2 number, since 2×388730844502 (a number of 22 digits) contains 22 as substring.
It is a Harshad number since it is a multiple of its sum of digits (50).
It is a Duffinian number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 1380209 + ... + 1408091.
Almost surely, 238873084450 is an apocalyptic number.
38873084450 is a deficient number, since it is larger than the sum of its proper divisors (33433445839).
38873084450 is an frugal number, since it uses more digits than its factorization.
38873084450 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 55778 (or 27890 counting only the distinct ones).
The product of its (nonzero) digits is 2580480, while the sum is 50.
Multiplying 38873084450 by its sum of digits (50), we get a square (1943654222500 = 13941502).
38873084450 divided by its sum of digits (50) gives a square (777461689 = 278832).
The spelling of 38873084450 in words is "thirty-eight billion, eight hundred seventy-three million, eighty-four thousand, four hundred fifty".
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