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12113414281 is a prime number
BaseRepresentation
bin10110100100000010…
…00000100010001001
31011021012112012111101
423102001000202021
5144302013224111
65322000301401
7606116215423
oct132201004211
934235465441
1012113414281
115156785491
122420911861
1311b07c3c77
1482cb01813
154ad6c4bc1
hex2d2040889

12113414281 has 2 divisors, whose sum is σ = 12113414282. Its totient is φ = 12113414280.

The previous prime is 12113414279. The next prime is 12113414317. The reversal of 12113414281 is 18241431121.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 12113203600 + 210681 = 110060^2 + 459^2 .

It is a cyclic number.

It is not a de Polignac number, because 12113414281 - 21 = 12113414279 is a prime.

It is a super-2 number, since 2×121134142812 (a number of 21 digits) contains 22 as substring.

Together with 12113414279, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (12113414251) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6056707140 + 6056707141.

It is an arithmetic number, because the mean of its divisors is an integer number (6056707141).

Almost surely, 212113414281 is an apocalyptic number.

It is an amenable number.

12113414281 is a deficient number, since it is larger than the sum of its proper divisors (1).

12113414281 is an equidigital number, since it uses as much as digits as its factorization.

12113414281 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1536, while the sum is 28.

The spelling of 12113414281 in words is "twelve billion, one hundred thirteen million, four hundred fourteen thousand, two hundred eighty-one".