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12113004340 = 225928165257
BaseRepresentation
bin10110100011111110…
…11100011100110100
31011021011202101011101
423101333130130310
5144301412114330
65321543415444
7606112560313
oct132177343464
934234671141
1012113004340
115156525498
122420754584
1311b06ac4b8
1482ca3627a
154ad6434ca
hex2d1fdc734

12113004340 has 24 divisors (see below), whose sum is σ = 25440439752. Its totient is φ = 4844605440.

The previous prime is 12113004329. The next prime is 12113004341. The reversal of 12113004340 is 4340031121.

It can be written as a sum of positive squares in 4 ways, for example, as 1358069904 + 10754934436 = 36852^2 + 103706^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12113004341) 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, 152992 + ... + 218248.

It is an arithmetic number, because the mean of its divisors is an integer number (1060018323).

Almost surely, 212113004340 is an apocalyptic number.

12113004340 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12113004340 is an abundant number, since it is smaller than the sum of its proper divisors (13327435412).

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

12113004340 is a wasteful number, since it uses less digits than its factorization.

12113004340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 74547 (or 74545 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 19.

Adding to 12113004340 its reverse (4340031121), we get a palindrome (16453035461).

The spelling of 12113004340 in words is "twelve billion, one hundred thirteen million, four thousand, three hundred forty".

Divisors: 1 2 4 5 10 20 9281 18562 37124 46405 65257 92810 130514 185620 261028 326285 652570 1305140 605650217 1211300434 2422600868 3028251085 6056502170 12113004340