Search a number
-
+
12113414440 = 235793833359
BaseRepresentation
bin10110100100000010…
…00000100100101000
31011021012112012201021
423102001000210220
5144302013230230
65322000302224
7606116216041
oct132201004450
934235465637
1012113414440
115156785616
122420911974
1311b07c406a
1482cb018c8
154ad6c4c7a
hex2d2040928

12113414440 has 32 divisors (see below), whose sum is σ = 27600192000. Its totient is φ = 4784030784.

The previous prime is 12113414437. The next prime is 12113414473. The reversal of 12113414440 is 4441431121.

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, 1913520 + ... + 1919839.

It is an arithmetic number, because the mean of its divisors is an integer number (862506000).

Almost surely, 212113414440 is an apocalyptic number.

12113414440 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12113414440 is an abundant number, since it is smaller than the sum of its proper divisors (15486777560).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12113414440 is a wasteful number, since it uses less digits than its factorization.

12113414440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3833449 (or 3833445 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 25.

Adding to 12113414440 its reverse (4441431121), we get a palindrome (16554845561).

The spelling of 12113414440 in words is "twelve billion, one hundred thirteen million, four hundred fourteen thousand, four hundred forty".

Divisors: 1 2 4 5 8 10 20 40 79 158 316 395 632 790 1580 3160 3833359 7666718 15333436 19166795 30666872 38333590 76667180 153334360 302835361 605670722 1211341444 1514176805 2422682888 3028353610 6056707220 12113414440