Search a number
-
+
12031141242 = 237327468359
BaseRepresentation
bin10110011010001110…
…01010010101111010
31011001110201022002210
423031013022111322
5144114433004432
65305501035550
7604100004351
oct131507122572
934043638083
1012031141242
1151142a153a
1223b9255bb6
1311997490b3
14821c06998
154a63728cc
hex2cd1ca57a

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".

Divisors: 1 2 3 6 73 146 219 438 27468359 54936718 82405077 164810154 2005190207 4010380414 6015570621 12031141242