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1312433343 = 321311217379
BaseRepresentation
bin100111000111010…
…0010010010111111
310101110120112002100
41032032202102333
510141440331333
6334122000143
744344333164
oct11616422277
93343515070
101312433343
1161391a661
12307646053
1317bb9c2a0
14c643a06b
157a349213
hex4e3a24bf

1312433343 has 12 divisors (see below), whose sum is σ = 2041563160. Its totient is φ = 807651216.

The previous prime is 1312433333. The next prime is 1312433363. The reversal of 1312433343 is 3433342131.

1312433343 is a `hidden beast` number, since 1 + 312 + 4 + 3 + 3 + 343 = 666.

It is not a de Polignac number, because 1312433343 - 213 = 1312425151 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1312433323) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 5608573 + ... + 5608806.

Almost surely, 21312433343 is an apocalyptic number.

1312433343 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

1312433343 is a deficient number, since it is larger than the sum of its proper divisors (729129817).

1312433343 is a wasteful number, since it uses less digits than its factorization.

1312433343 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11217398 (or 11217395 counting only the distinct ones).

The product of its digits is 7776, while the sum is 27.

The square root of 1312433343 is about 36227.5218997933. The cubic root of 1312433343 is about 1094.8612496990.

Adding to 1312433343 its reverse (3433342131), we get a palindrome (4745775474).

The spelling of 1312433343 in words is "one billion, three hundred twelve million, four hundred thirty-three thousand, three hundred forty-three".

Divisors: 1 3 9 13 39 117 11217379 33652137 100956411 145825927 437477781 1312433343