Base | Representation |
---|---|
bin | 11100111100101001… |
… | …001100111101110101 |
3 | 2222020011122121121110 |
4 | 130330221030331311 |
5 | 1002124021030140 |
6 | 22140131305233 |
7 | 2150150245413 |
oct | 347451147565 |
9 | 88204577543 |
10 | 31082205045 |
11 | 12200104771 |
12 | 603544b219 |
13 | 2c14655208 |
14 | 170c0742b3 |
15 | c1db47380 |
hex | 73ca4cf75 |
31082205045 has 16 divisors (see below), whose sum is σ = 50546800512. Its totient is φ = 16305418560.
The previous prime is 31082205029. The next prime is 31082205061. The reversal of 31082205045 is 54050228013.
It is an interprime number because it is at equal distance from previous prime (31082205029) and next prime (31082205061).
It is not a de Polignac number, because 31082205045 - 24 = 31082205029 is a prime.
It is a super-2 number, since 2×310822050452 (a number of 22 digits) contains 22 as substring.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 16983897 + ... + 16985726.
It is an arithmetic number, because the mean of its divisors is an integer number (3159175032).
Almost surely, 231082205045 is an apocalyptic number.
It is an amenable number.
31082205045 is a deficient number, since it is larger than the sum of its proper divisors (19464595467).
31082205045 is a wasteful number, since it uses less digits than its factorization.
31082205045 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 33969692.
The product of its (nonzero) digits is 9600, while the sum is 30.
The spelling of 31082205045 in words is "thirty-one billion, eighty-two million, two hundred five thousand, forty-five".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.077 sec. • engine limits •