Base | Representation |
---|---|
bin | 101010101001111… |
… | …0000110101101110 |
3 | 10200202010201212022 |
4 | 1111103300311232 |
5 | 10412344303032 |
6 | 354004310142 |
7 | 50316242306 |
oct | 12523606556 |
9 | 3622121768 |
10 | 1431244142 |
11 | 6749999a9 |
12 | 33b3a2352 |
13 | 19a69ab33 |
14 | d8126606 |
15 | 859b7512 |
hex | 554f0d6e |
1431244142 has 8 divisors (see below), whose sum is σ = 2147175000. Its totient is φ = 715519144.
The previous prime is 1431244109. The next prime is 1431244169. The reversal of 1431244142 is 2414421341.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a congruent number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 32717 + ... + 62712.
It is an arithmetic number, because the mean of its divisors is an integer number (268396875).
Almost surely, 21431244142 is an apocalyptic number.
1431244142 is a deficient number, since it is larger than the sum of its proper divisors (715930858).
1431244142 is an equidigital number, since it uses as much as digits as its factorization.
1431244142 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 102930.
The product of its digits is 3072, while the sum is 26.
The square root of 1431244142 is about 37831.7874544674. The cubic root of 1431244142 is about 1126.9498083745.
Adding to 1431244142 its reverse (2414421341), we get a palindrome (3845665483).
The spelling of 1431244142 in words is "one billion, four hundred thirty-one million, two hundred forty-four thousand, one hundred forty-two".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.101 sec. • engine limits •