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12240000140 = 2256110032787
BaseRepresentation
bin10110110011000111…
…11001010010001100
31011121000201102122112
423121203321102030
5200031420001030
65342321403152
7612214166414
oct133143712214
934530642575
1012240000140
1152111852a5
1224571994b8
131200ab5744
14841853644
154b987ba95
hex2d98f948c

12240000140 has 24 divisors (see below), whose sum is σ = 26125379952. Its totient is φ = 4815737280.

The previous prime is 12240000121. The next prime is 12240000161. The reversal of 12240000140 is 4100004221.

12240000140 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, 5015174 + ... + 5017613.

It is an arithmetic number, because the mean of its divisors is an integer number (1088557498).

Almost surely, 212240000140 is an apocalyptic number.

12240000140 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12240000140 is an abundant number, since it is smaller than the sum of its proper divisors (13885379812).

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

12240000140 is a wasteful number, since it uses less digits than its factorization.

12240000140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10032857 (or 10032855 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 14.

Adding to 12240000140 its reverse (4100004221), we get a palindrome (16340004361).

The spelling of 12240000140 in words is "twelve billion, two hundred forty million, one hundred forty", and thus it is an aban number.

Divisors: 1 2 4 5 10 20 61 122 244 305 610 1220 10032787 20065574 40131148 50163935 100327870 200655740 612000007 1224000014 2448000028 3060000035 6120000070 12240000140