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12343240144 = 241493516713
BaseRepresentation
bin10110111111011011…
…01110010111010000
31011212012222120022101
423133231232113100
5200234332141034
65400450250144
7614606544604
oct133755562720
934765876271
1012343240144
11526448a014
122485886954
1312192c1bc1
14851449504
154c3971514
hex2dfb6e5d0

12343240144 has 20 divisors (see below), whose sum is σ = 23931092196. Its totient is φ = 6167474432.

The previous prime is 12343240127. The next prime is 12343240153. The reversal of 12343240144 is 44104234321.

It can be written as a sum of positive squares in 2 ways, for example, as 8813454400 + 3529785744 = 93880^2 + 59412^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 234469 + ... + 282244.

Almost surely, 212343240144 is an apocalyptic number.

It is an amenable number.

12343240144 is a deficient number, since it is larger than the sum of its proper divisors (11587852052).

12343240144 is a wasteful number, since it uses less digits than its factorization.

12343240144 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 518214 (or 518208 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 28.

Adding to 12343240144 its reverse (44104234321), we get a palindrome (56447474465).

The spelling of 12343240144 in words is "twelve billion, three hundred forty-three million, two hundred forty thousand, one hundred forty-four".

Divisors: 1 2 4 8 16 1493 2986 5972 11944 23888 516713 1033426 2066852 4133704 8267408 771452509 1542905018 3085810036 6171620072 12343240144