Base | Representation |
---|---|
bin | 10110011010001110… |
… | …01010010101111010 |
3 | 1011001110201022002210 |
4 | 23031013022111322 |
5 | 144114433004432 |
6 | 5305501035550 |
7 | 604100004351 |
oct | 131507122572 |
9 | 34043638083 |
10 | 12031141242 |
11 | 51142a153a |
12 | 23b9255bb6 |
13 | 11997490b3 |
14 | 821c06998 |
15 | 4a63728cc |
hex | 2cd1ca57a |
12031141242 has 16 divisors (see below), whose sum is σ = 24391903680. Its totient is φ = 3955443552.
The previous prime is 12031141219. The next prime is 12031141253. The reversal of 12031141242 is 24214113021.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13733742 + ... + 13734617.
It is an arithmetic number, because the mean of its divisors is an integer number (1524493980).
Almost surely, 212031141242 is an apocalyptic number.
12031141242 is an abundant number, since it is smaller than the sum of its proper divisors (12360762438).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
12031141242 is a wasteful number, since it uses less digits than its factorization.
12031141242 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 27468437.
The product of its (nonzero) digits is 384, while the sum is 21.
Adding to 12031141242 its reverse (24214113021), we get a palindrome (36245254263).
The spelling of 12031141242 in words is "twelve billion, thirty-one million, one hundred forty-one thousand, two hundred forty-two".
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