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12444432342 = 2310719383851
BaseRepresentation
bin10111001011011111…
…01111011111010110
31012010021101122220120
423211233233133112
5200441233313332
65414503212410
7620245633566
oct134557573726
935107348816
1012444432342
115306615231
1224b3747106
131234262244
14860a6ada6
154cc7ae32c
hex2e5bef7d6

12444432342 has 16 divisors (see below), whose sum is σ = 25121472192. Its totient is φ = 4109376200.

The previous prime is 12444432323. The next prime is 12444432359. The reversal of 12444432342 is 24323444421.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9691284 + ... + 9692567.

It is an arithmetic number, because the mean of its divisors is an integer number (1570092012).

Almost surely, 212444432342 is an apocalyptic number.

12444432342 is an abundant number, since it is smaller than the sum of its proper divisors (12677039850).

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

12444432342 is a wasteful number, since it uses less digits than its factorization.

12444432342 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19383963.

The product of its digits is 73728, while the sum is 33.

Adding to 12444432342 its reverse (24323444421), we get a palindrome (36767876763).

The spelling of 12444432342 in words is "twelve billion, four hundred forty-four million, four hundred thirty-two thousand, three hundred forty-two".

Divisors: 1 2 3 6 107 214 321 642 19383851 38767702 58151553 116303106 2074072057 4148144114 6222216171 12444432342