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12442331004 = 2231036860917
BaseRepresentation
bin10111001011001111…
…01110011101111100
31012010010102220102020
423211213232131330
5200440214043004
65414350200140
7620222032335
oct134547563574
935103386366
1012442331004
11530540a494
1224b2ab3050
1312339a794c
1486068128c
154cc4e68d9
hex2e59ee77c

12442331004 has 12 divisors (see below), whose sum is σ = 29032105704. Its totient is φ = 4147443664.

The previous prime is 12442330987. The next prime is 12442331017. The reversal of 12442331004 is 40013324421.

It is a tau number, because it is divible by the number of its divisors (12).

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, 518430447 + ... + 518430470.

It is an arithmetic number, because the mean of its divisors is an integer number (2419342142).

Almost surely, 212442331004 is an apocalyptic number.

It is an amenable number.

12442331004 is an abundant number, since it is smaller than the sum of its proper divisors (16589774700).

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

12442331004 is a wasteful number, since it uses less digits than its factorization.

12442331004 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1036860924 (or 1036860922 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 24.

Adding to 12442331004 its reverse (40013324421), we get a palindrome (52455655425).

The spelling of 12442331004 in words is "twelve billion, four hundred forty-two million, three hundred thirty-one thousand, four".

Divisors: 1 2 3 4 6 12 1036860917 2073721834 3110582751 4147443668 6221165502 12442331004