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12140300312 = 237232409813
BaseRepresentation
bin10110100111001111…
…00100100000011000
31011100002010011012022
423103213210200120
5144330404102222
65324400434012
7606563564360
oct132347444030
934302104168
1012140300312
11516a979348
122429918908
1311b624876a
148324dd9a0
154b0c36042
hex2d39e4818

12140300312 has 48 divisors (see below), whose sum is σ = 27195257040. Its totient is φ = 4976756928.

The previous prime is 12140300311. The next prime is 12140300317. The reversal of 12140300312 is 21300304121.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12140300311) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 175283 + ... + 234530.

It is an arithmetic number, because the mean of its divisors is an integer number (566567855).

Almost surely, 212140300312 is an apocalyptic number.

It is an amenable number.

12140300312 is an abundant number, since it is smaller than the sum of its proper divisors (15054956728).

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

12140300312 is a wasteful number, since it uses less digits than its factorization.

12140300312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 409872 (or 409845 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 17.

Adding to 12140300312 its reverse (21300304121), we get a palindrome (33440604433).

The spelling of 12140300312 in words is "twelve billion, one hundred forty million, three hundred thousand, three hundred twelve".

Divisors: 1 2 4 7 8 14 23 28 46 56 92 161 184 322 529 644 1058 1288 2116 3703 4232 7406 14812 29624 409813 819626 1639252 2868691 3278504 5737382 9425699 11474764 18851398 22949528 37702796 65979893 75405592 131959786 216791077 263919572 433582154 527839144 867164308 1517537539 1734328616 3035075078 6070150156 12140300312