Search a number
-
+
12140303140 = 225786716451
BaseRepresentation
bin10110100111001111…
…00101001100100100
31011100002010022002001
423103213211030210
5144330404200030
65324400455044
7606563605540
oct132347451444
934302108061
1012140303140
11516a980489
12242991a484
1311b6249b34
14832500a20
154b0c36cca
hex2d39e5324

12140303140 has 24 divisors (see below), whose sum is σ = 29136727872. Its totient is φ = 4162389600.

The previous prime is 12140303059. The next prime is 12140303159. The reversal of 12140303140 is 4130304121.

12140303140 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 43358086 + ... + 43358365.

It is an arithmetic number, because the mean of its divisors is an integer number (1214030328).

Almost surely, 212140303140 is an apocalyptic number.

12140303140 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12140303140 is an abundant number, since it is smaller than the sum of its proper divisors (16996424732).

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

12140303140 is a wasteful number, since it uses less digits than its factorization.

12140303140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 86716467 (or 86716465 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 19.

Adding to 12140303140 its reverse (4130304121), we get a palindrome (16270607261).

The spelling of 12140303140 in words is "twelve billion, one hundred forty million, three hundred three thousand, one hundred forty".

Divisors: 1 2 4 5 7 10 14 20 28 35 70 140 86716451 173432902 346865804 433582255 607015157 867164510 1214030314 1734329020 2428060628 3035075785 6070151570 12140303140