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12140680312 = 231517585039
BaseRepresentation
bin10110100111010010…
…00001010001111000
31011100002211110110101
423103221001101320
5144331003232222
65324412525144
7606600036265
oct132351012170
934302743411
1012140680312
1151701088a2
122429a807b4
1311b634c707
1483259c26c
154b0cad927
hex2d3a41478

12140680312 has 8 divisors (see below), whose sum is σ = 22763775600. Its totient is φ = 6070340152.

The previous prime is 12140680303. The next prime is 12140680333. The reversal of 12140680312 is 21308604121.

It is a tau number, because it is divible by the number of its divisors (8).

It is a super-2 number, since 2×121406803122 (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 758792512 + ... + 758792527.

It is an arithmetic number, because the mean of its divisors is an integer number (2845471950).

Almost surely, 212140680312 is an apocalyptic number.

It is an amenable number.

12140680312 is a deficient number, since it is larger than the sum of its proper divisors (10623095288).

12140680312 is a wasteful number, since it uses less digits than its factorization.

12140680312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1517585045 (or 1517585041 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 28.

The spelling of 12140680312 in words is "twelve billion, one hundred forty million, six hundred eighty thousand, three hundred twelve".

Divisors: 1 2 4 8 1517585039 3035170078 6070340156 12140680312