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12113443430 = 2511110122213
BaseRepresentation
bin10110100100000010…
…00111101001100110
31011021012120200110222
423102001013221212
5144302020142210
65322001044342
7606116366414
oct132201075146
934235520428
1012113443430
1151567a5380
1224209266b2
1311b080430a
1482cb0c2b4
154ad6cd655
hex2d2047a66

12113443430 has 16 divisors (see below), whose sum is σ = 23786398224. Its totient is φ = 4404888480.

The previous prime is 12113443411. The next prime is 12113443439. The reversal of 12113443430 is 3434431121.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 12113443430.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12113443439) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 55060997 + ... + 55061216.

It is an arithmetic number, because the mean of its divisors is an integer number (1486649889).

Almost surely, 212113443430 is an apocalyptic number.

12113443430 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12113443430 is a deficient number, since it is larger than the sum of its proper divisors (11672954794).

12113443430 is a wasteful number, since it uses less digits than its factorization.

12113443430 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 110122231.

The product of its (nonzero) digits is 3456, while the sum is 26.

Adding to 12113443430 its reverse (3434431121), we get a palindrome (15547874551).

The spelling of 12113443430 in words is "twelve billion, one hundred thirteen million, four hundred forty-three thousand, four hundred thirty".

Divisors: 1 2 5 10 11 22 55 110 110122213 220244426 550611065 1101222130 1211344343 2422688686 6056721715 12113443430