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12430340234 = 2131513166159
BaseRepresentation
bin10111001001110011…
…11111000010001010
31012002021212201011122
423210321333002022
5200424131341414
65413241155242
7620015101664
oct134471770212
935067781148
1012430340234
1152a966a664
1224aaa8bb22
131231369c10
1485cc3d534
154cb428b8e
hex2e4e7f08a

12430340234 has 16 divisors (see below), whose sum is σ = 20212765440. Its totient is φ = 5699084400.

The previous prime is 12430340233. The next prime is 12430340281. The reversal of 12430340234 is 43204303421.

It is a Harshad number since it is a multiple of its sum of digits (26).

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (12430340231) 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, 1579154 + ... + 1587005.

It is an arithmetic number, because the mean of its divisors is an integer number (1263297840).

Almost surely, 212430340234 is an apocalyptic number.

12430340234 is a deficient number, since it is larger than the sum of its proper divisors (7782425206).

12430340234 is a wasteful number, since it uses less digits than its factorization.

12430340234 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3166325.

The product of its (nonzero) digits is 6912, while the sum is 26.

Adding to 12430340234 its reverse (43204303421), we get a palindrome (55634643655).

The spelling of 12430340234 in words is "twelve billion, four hundred thirty million, three hundred forty thousand, two hundred thirty-four".

Divisors: 1 2 13 26 151 302 1963 3926 3166159 6332318 41160067 82320134 478090009 956180018 6215170117 12430340234