Base | Representation |
---|---|
bin | 100011111001110011… |
… | …101101010100001001 |
3 | 10200111200011120102001 |
4 | 203321303231110021 |
5 | 1112423002220410 |
6 | 25413205511001 |
7 | 2533216364350 |
oct | 437163552411 |
9 | 120450146361 |
10 | 38550820105 |
11 | 15392a29806 |
12 | 757a712461 |
13 | 3834a74a75 |
14 | 1c19d36997 |
15 | 100967a33a |
hex | 8f9ced509 |
38550820105 has 32 divisors (see below), whose sum is σ = 55311621120. Its totient is φ = 25241326080.
The previous prime is 38550820097. The next prime is 38550820111. The reversal of 38550820105 is 50102805583.
It is not a de Polignac number, because 38550820105 - 23 = 38550820097 is a prime.
It is a super-2 number, since 2×385508201052 (a number of 22 digits) contains 22 as substring.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 218350 + ... + 353239.
It is an arithmetic number, because the mean of its divisors is an integer number (1728488160).
Almost surely, 238550820105 is an apocalyptic number.
38550820105 is a gapful number since it is divisible by the number (35) formed by its first and last digit.
It is an amenable number.
38550820105 is a deficient number, since it is larger than the sum of its proper divisors (16760801015).
38550820105 is a wasteful number, since it uses less digits than its factorization.
38550820105 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 571689.
The product of its (nonzero) digits is 48000, while the sum is 37.
The spelling of 38550820105 in words is "thirty-eight billion, five hundred fifty million, eight hundred twenty thousand, one hundred five".
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