Base | Representation |
---|---|
bin | 1011101101010100… |
… | …0110100101011111 |
3 | 22010000212102001010 |
4 | 2323111012211133 |
5 | 22414033341031 |
6 | 1235510350303 |
7 | 140611652232 |
oct | 27325064537 |
9 | 8100772033 |
10 | 3142871391 |
11 | 1373083880 |
12 | 73865b393 |
13 | 3b118881a |
14 | 21b597419 |
15 | 135db6246 |
hex | bb54695f |
3142871391 has 16 divisors (see below), whose sum is σ = 4572655488. Its totient is φ = 1904268000.
The previous prime is 3142871371. The next prime is 3142871393. The reversal of 3142871391 is 1931782413.
It is not a de Polignac number, because 3142871391 - 211 = 3142869343 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (3142871393) 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 15 ways as a sum of consecutive naturals, for example, 143245 + ... + 163721.
It is an arithmetic number, because the mean of its divisors is an integer number (285790968).
Almost surely, 23142871391 is an apocalyptic number.
3142871391 is a deficient number, since it is larger than the sum of its proper divisors (1429784097).
3142871391 is a wasteful number, since it uses less digits than its factorization.
3142871391 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 25142.
The product of its digits is 36288, while the sum is 39.
The square root of 3142871391 is about 56061.3181346996. The cubic root of 3142871391 is about 1464.7905738755.
The spelling of 3142871391 in words is "three billion, one hundred forty-two million, eight hundred seventy-one thousand, three hundred ninety-one".
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