Base | Representation |
---|---|
bin | 10000110111000010… |
… | …100010110110100100 |
3 | 1201201122112001210222 |
4 | 100313002202312210 |
5 | 244033420024413 |
6 | 12152212103512 |
7 | 1210421240021 |
oct | 206702426644 |
9 | 51648461728 |
10 | 18103283108 |
11 | 774a9165a9 |
12 | 3612904b98 |
13 | 1926753551 |
14 | c3a434548 |
15 | 70e4aab08 |
hex | 4370a2da4 |
18103283108 has 12 divisors (see below), whose sum is σ = 31707132492. Its totient is φ = 9044102400.
The previous prime is 18103283101. The next prime is 18103283129. The reversal of 18103283108 is 80138230181.
It can be written as a sum of positive squares in 2 ways, for example, as 4878743104 + 13224540004 = 69848^2 + 114998^2 .
It is not an unprimeable number, because it can be changed into a prime (18103283101) 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, 1879385 + ... + 1888992.
It is an arithmetic number, because the mean of its divisors is an integer number (2642261041).
Almost surely, 218103283108 is an apocalyptic number.
It is an amenable number.
18103283108 is a deficient number, since it is larger than the sum of its proper divisors (13603849384).
18103283108 is a wasteful number, since it uses less digits than its factorization.
18103283108 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 3769582 (or 3769580 counting only the distinct ones).
The product of its (nonzero) digits is 9216, while the sum is 35.
The spelling of 18103283108 in words is "eighteen billion, one hundred three million, two hundred eighty-three thousand, one hundred eight".
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