Base | Representation |
---|---|
bin | 101010101001111… |
… | …0000011010101100 |
3 | 10200202010122111020 |
4 | 1111103300122230 |
5 | 10412344224122 |
6 | 354004254140 |
7 | 50316234255 |
oct | 12523603254 |
9 | 3622118436 |
10 | 1431242412 |
11 | 674998676 |
12 | 33b3a1350 |
13 | 19a69a102 |
14 | d8125b2c |
15 | 859b6c5c |
hex | 554f06ac |
1431242412 has 48 divisors (see below), whose sum is σ = 3540700800. Its totient is φ = 448709760.
The previous prime is 1431242389. The next prime is 1431242419. The reversal of 1431242412 is 2142421341.
It is a nude number because it is divisible by every one of its digits.
It is not an unprimeable number, because it can be changed into a prime (1431242419) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9112 + ... + 54272.
It is an arithmetic number, because the mean of its divisors is an integer number (73764600).
Almost surely, 21431242412 is an apocalyptic number.
1431242412 is a gapful number since it is divisible by the number (12) formed by its first and last digit.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 1431242412, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1770350400).
1431242412 is an abundant number, since it is smaller than the sum of its proper divisors (2109458388).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
1431242412 is a wasteful number, since it uses less digits than its factorization.
1431242412 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 45326 (or 45324 counting only the distinct ones).
The product of its digits is 1536, while the sum is 24.
The square root of 1431242412 is about 37831.7645900902. The cubic root of 1431242412 is about 1126.9493543118.
Adding to 1431242412 its reverse (2142421341), we get a palindrome (3573663753).
The spelling of 1431242412 in words is "one billion, four hundred thirty-one million, two hundred forty-two thousand, four hundred twelve".
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