Base | Representation |
---|---|
bin | 111011011010011… |
… | …0111100010101011 |
3 | 12010221020212120112 |
4 | 1312310313202223 |
5 | 13040323223400 |
6 | 525453044535 |
7 | 100255032551 |
oct | 16664674253 |
9 | 5127225515 |
10 | 1993570475 |
11 | 933356006 |
12 | 47778674b |
13 | 25a035a00 |
14 | 14caa3bd1 |
15 | ba042835 |
hex | 76d378ab |
1993570475 has 54 divisors (see below), whose sum is σ = 2771578188. Its totient is φ = 1421784000.
The previous prime is 1993570441. The next prime is 1993570477. The reversal of 1993570475 is 5740753991.
It is not a de Polignac number, because 1993570475 - 216 = 1993504939 is a prime.
It is not an unprimeable number, because it can be changed into a prime (1993570477) by changing a digit.
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 53 ways as a sum of consecutive naturals, for example, 4059980 + ... + 4060470.
It is an arithmetic number, because the mean of its divisors is an integer number (51325522).
Almost surely, 21993570475 is an apocalyptic number.
1993570475 is a deficient number, since it is larger than the sum of its proper divisors (778007713).
1993570475 is a wasteful number, since it uses less digits than its factorization.
1993570475 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 589 (or 540 counting only the distinct ones).
The product of its (nonzero) digits is 1190700, while the sum is 50.
The square root of 1993570475 is about 44649.4174094131. The cubic root of 1993570475 is about 1258.5694848903.
The spelling of 1993570475 in words is "one billion, nine hundred ninety-three million, five hundred seventy thousand, four hundred seventy-five".
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