Search a number
-
+
12312110234 = 26156055117
BaseRepresentation
bin10110111011101101…
…11110010010011010
31011210001102000002202
423131312332102122
5200203400011414
65353415130202
7614051132054
oct133566762232
934701360082
1012312110234
115248957716
122477373962
131212a12838
1484b2648d4
154c0d729de
hex2dddbe49a

12312110234 has 4 divisors (see below), whose sum is σ = 18468165354. Its totient is φ = 6156055116.

The previous prime is 12312110227. The next prime is 12312110267. The reversal of 12312110234 is 43201121321.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 43201121321 = 421910239659.

It can be written as a sum of positive squares in only one way, i.e., 9545876209 + 2766234025 = 97703^2 + 52595^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3078027557 + ... + 3078027560.

Almost surely, 212312110234 is an apocalyptic number.

12312110234 is a deficient number, since it is larger than the sum of its proper divisors (6156055120).

12312110234 is an equidigital number, since it uses as much as digits as its factorization.

12312110234 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6156055119.

The product of its (nonzero) digits is 288, while the sum is 20.

Adding to 12312110234 its reverse (43201121321), we get a palindrome (55513231555).

The spelling of 12312110234 in words is "twelve billion, three hundred twelve million, one hundred ten thousand, two hundred thirty-four".

Divisors: 1 2 6156055117 12312110234