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123244424012 = 2239077886129
BaseRepresentation
bin111001011000111110…
…0001010101101001100
3102210010010010102112202
41302301330022231030
54004401033032022
6132341231421032
711622053214353
oct1626174125514
9383103112482
10123244424012
11482a429a986
121ba76384778
13b81140b2a8
145d721b699a
153314c2b592
hex1cb1f0ab4c

123244424012 has 12 divisors (see below), whose sum is σ = 215732972280. Its totient is φ = 61606431936.

The previous prime is 123244424003. The next prime is 123244424041. The reversal of 123244424012 is 210424442321.

It is a happy number.

It is a super-2 number, since 2×1232444240122 (a number of 23 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3927437 + ... + 3958692.

It is an arithmetic number, because the mean of its divisors is an integer number (17977747690).

Almost surely, 2123244424012 is an apocalyptic number.

It is an amenable number.

123244424012 is a deficient number, since it is larger than the sum of its proper divisors (92488548268).

123244424012 is a wasteful number, since it uses less digits than its factorization.

123244424012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7890040 (or 7890038 counting only the distinct ones).

The product of its (nonzero) digits is 12288, while the sum is 29.

Adding to 123244424012 its reverse (210424442321), we get a palindrome (333668866333).

The spelling of 123244424012 in words is "one hundred twenty-three billion, two hundred forty-four million, four hundred twenty-four thousand, twelve".

Divisors: 1 2 4 3907 7814 15628 7886129 15772258 31544516 30811106003 61622212006 123244424012